Home / 18,234.76-25,163.58-10,680.16

Finding the Fourth Proportional to 18,234.76, 25,163.58 and 10,680.16

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Solution

The fourth proportional to 18,234.76, 25,163.58 and 10,680.16 is: 14,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.76 : 25,163.58 = 10,680.16 : x
  2. Step 2: Convert to fraction form
    18,234.76/25,163.58 = 10,680.16/x
  3. Step 3: Cross multiply
    18,234.76x = 25,163.58 × 10,680.16
  4. Step 4: Simplify right side
    18,234.76x = 268,751,060.57
  5. Step 5: Solve for x
    x = 268,751,060.57/18,234.76
  6. Step 6: Final answer
    x = 14,738.39

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Find fourth proportional to 9,117.38, 12,581.79 and 5,340.08
Half scale
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Double scale
Find fourth proportional to 18,235.76, 25,164.96 and 10,681.16
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.