Home / 17,972.93-24,789.82-15,578.62

Finding the Fourth Proportional to 17,972.93, 24,789.82 and 15,578.62

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Solution

The fourth proportional to 17,972.93, 24,789.82 and 15,578.62 is: 21,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,972.93 : 24,789.82 = 15,578.62 : x
  2. Step 2: Convert to fraction form
    17,972.93/24,789.82 = 15,578.62/x
  3. Step 3: Cross multiply
    17,972.93x = 24,789.82 × 15,578.62
  4. Step 4: Simplify right side
    17,972.93x = 386,191,024.31
  5. Step 5: Solve for x
    x = 386,191,024.31/17,972.93
  6. Step 6: Final answer
    x = 21,487.38

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Double scale
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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.