Home / 24,720.90-34,114.87-13,390.52

Finding the Fourth Proportional to 24,720.90, 34,114.87 and 13,390.52

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Solution

The fourth proportional to 24,720.90, 34,114.87 and 13,390.52 is: 18,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,720.90 : 34,114.87 = 13,390.52 : x
  2. Step 2: Convert to fraction form
    24,720.90/34,114.87 = 13,390.52/x
  3. Step 3: Cross multiply
    24,720.90x = 34,114.87 × 13,390.52
  4. Step 4: Simplify right side
    24,720.90x = 456,815,695.20
  5. Step 5: Solve for x
    x = 456,815,695.20/24,720.90
  6. Step 6: Final answer
    x = 18,478.93

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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.