Home / 18,447.06-25,459.20-10,491.24

Finding the Fourth Proportional to 18,447.06, 25,459.20 and 10,491.24

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Solution

The fourth proportional to 18,447.06, 25,459.20 and 10,491.24 is: 14,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.06 : 25,459.20 = 10,491.24 : x
  2. Step 2: Convert to fraction form
    18,447.06/25,459.20 = 10,491.24/x
  3. Step 3: Cross multiply
    18,447.06x = 25,459.20 × 10,491.24
  4. Step 4: Simplify right side
    18,447.06x = 267,098,577.41
  5. Step 5: Solve for x
    x = 267,098,577.41/18,447.06
  6. Step 6: Final answer
    x = 14,479.19

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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.