Home / 18,210.76-25,130.82-10,252.60

Finding the Fourth Proportional to 18,210.76, 25,130.82 and 10,252.60

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Solution

The fourth proportional to 18,210.76, 25,130.82 and 10,252.60 is: 14,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.76 : 25,130.82 = 10,252.60 : x
  2. Step 2: Convert to fraction form
    18,210.76/25,130.82 = 10,252.60/x
  3. Step 3: Cross multiply
    18,210.76x = 25,130.82 × 10,252.60
  4. Step 4: Simplify right side
    18,210.76x = 257,656,245.13
  5. Step 5: Solve for x
    x = 257,656,245.13/18,210.76
  6. Step 6: Final answer
    x = 14,148.57

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Half scale
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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.