Home / 25,613.42-38,345.40-15,722.71

Finding the Fourth Proportional to 25,613.42, 38,345.40 and 15,722.71

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Solution

The fourth proportional to 25,613.42, 38,345.40 and 15,722.71 is: 23,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.42 : 38,345.40 = 15,722.71 : x
  2. Step 2: Convert to fraction form
    25,613.42/38,345.40 = 15,722.71/x
  3. Step 3: Cross multiply
    25,613.42x = 38,345.40 × 15,722.71
  4. Step 4: Simplify right side
    25,613.42x = 602,893,508.17
  5. Step 5: Solve for x
    x = 602,893,508.17/25,613.42
  6. Step 6: Final answer
    x = 23,538.19

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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.