Home / 17,582.70-24,275.45-15,691.04

Finding the Fourth Proportional to 17,582.70, 24,275.45 and 15,691.04

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Solution

The fourth proportional to 17,582.70, 24,275.45 and 15,691.04 is: 21,663.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,582.70 : 24,275.45 = 15,691.04 : x
  2. Step 2: Convert to fraction form
    17,582.70/24,275.45 = 15,691.04/x
  3. Step 3: Cross multiply
    17,582.70x = 24,275.45 × 15,691.04
  4. Step 4: Simplify right side
    17,582.70x = 380,906,857.14
  5. Step 5: Solve for x
    x = 380,906,857.14/17,582.70
  6. Step 6: Final answer
    x = 21,663.73

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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.