Home / 23,689.92-32,691.48-15,613.68

Finding the Fourth Proportional to 23,689.92, 32,691.48 and 15,613.68

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Solution

The fourth proportional to 23,689.92, 32,691.48 and 15,613.68 is: 21,546.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.92 : 32,691.48 = 15,613.68 : x
  2. Step 2: Convert to fraction form
    23,689.92/32,691.48 = 15,613.68/x
  3. Step 3: Cross multiply
    23,689.92x = 32,691.48 × 15,613.68
  4. Step 4: Simplify right side
    23,689.92x = 510,434,307.45
  5. Step 5: Solve for x
    x = 510,434,307.45/23,689.92
  6. Step 6: Final answer
    x = 21,546.48

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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.