Home / 18,574.28-25,632.50-10,190.76

Finding the Fourth Proportional to 18,574.28, 25,632.50 and 10,190.76

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Solution

The fourth proportional to 18,574.28, 25,632.50 and 10,190.76 is: 14,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.28 : 25,632.50 = 10,190.76 : x
  2. Step 2: Convert to fraction form
    18,574.28/25,632.50 = 10,190.76/x
  3. Step 3: Cross multiply
    18,574.28x = 25,632.50 × 10,190.76
  4. Step 4: Simplify right side
    18,574.28x = 261,214,655.70
  5. Step 5: Solve for x
    x = 261,214,655.70/18,574.28
  6. Step 6: Final answer
    x = 14,063.25

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Half scale
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Double scale
Find fourth proportional to 18,575.28, 25,633.88 and 10,191.76
Similar ratio
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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.