Home / 25,162.12-34,691.70-15,727.24

Finding the Fourth Proportional to 25,162.12, 34,691.70 and 15,727.24

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Solution

The fourth proportional to 25,162.12, 34,691.70 and 15,727.24 is: 21,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,162.12 : 34,691.70 = 15,727.24 : x
  2. Step 2: Convert to fraction form
    25,162.12/34,691.70 = 15,727.24/x
  3. Step 3: Cross multiply
    25,162.12x = 34,691.70 × 15,727.24
  4. Step 4: Simplify right side
    25,162.12x = 545,604,691.91
  5. Step 5: Solve for x
    x = 545,604,691.91/25,162.12
  6. Step 6: Final answer
    x = 21,683.57

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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.