Home / 24,720.92-34,114.90-13,390.43

Finding the Fourth Proportional to 24,720.92, 34,114.90 and 13,390.43

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Solution

The fourth proportional to 24,720.92, 34,114.90 and 13,390.43 is: 18,478.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,720.92 : 34,114.90 = 13,390.43 : x
  2. Step 2: Convert to fraction form
    24,720.92/34,114.90 = 13,390.43/x
  3. Step 3: Cross multiply
    24,720.92x = 34,114.90 × 13,390.43
  4. Step 4: Simplify right side
    24,720.92x = 456,813,232.22
  5. Step 5: Solve for x
    x = 456,813,232.22/24,720.92
  6. Step 6: Final answer
    x = 18,478.82

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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.