Home / 17,490.91-24,138.48-9,937.56

Finding the Fourth Proportional to 17,490.91, 24,138.48 and 9,937.56

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Solution

The fourth proportional to 17,490.91, 24,138.48 and 9,937.56 is: 13,714.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.91 : 24,138.48 = 9,937.56 : x
  2. Step 2: Convert to fraction form
    17,490.91/24,138.48 = 9,937.56/x
  3. Step 3: Cross multiply
    17,490.91x = 24,138.48 × 9,937.56
  4. Step 4: Simplify right side
    17,490.91x = 239,877,593.31
  5. Step 5: Solve for x
    x = 239,877,593.31/17,490.91
  6. Step 6: Final answer
    x = 13,714.41

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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.