Home / 15,397.20-23,095.76-3,710.40

Finding the Fourth Proportional to 15,397.20, 23,095.76 and 3,710.40

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Solution

The fourth proportional to 15,397.20, 23,095.76 and 3,710.40 is: 5,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.20 : 23,095.76 = 3,710.40 : x
  2. Step 2: Convert to fraction form
    15,397.20/23,095.76 = 3,710.40/x
  3. Step 3: Cross multiply
    15,397.20x = 23,095.76 × 3,710.40
  4. Step 4: Simplify right side
    15,397.20x = 85,694,507.90
  5. Step 5: Solve for x
    x = 85,694,507.90/15,397.20
  6. Step 6: Final answer
    x = 5,565.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.