Home / 37,105.59-55,663.62-12,147.66

Finding the Fourth Proportional to 37,105.59, 55,663.62 and 12,147.66

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Solution

The fourth proportional to 37,105.59, 55,663.62 and 12,147.66 is: 18,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,105.59 : 55,663.62 = 12,147.66 : x
  2. Step 2: Convert to fraction form
    37,105.59/55,663.62 = 12,147.66/x
  3. Step 3: Cross multiply
    37,105.59x = 55,663.62 × 12,147.66
  4. Step 4: Simplify right side
    37,105.59x = 676,182,869.29
  5. Step 5: Solve for x
    x = 676,182,869.29/37,105.59
  6. Step 6: Final answer
    x = 18,223.21

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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.