Home / 53,624.76-80,437.16-18,545.28

Finding the Fourth Proportional to 53,624.76, 80,437.16 and 18,545.28

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Solution

The fourth proportional to 53,624.76, 80,437.16 and 18,545.28 is: 27,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,624.76 : 80,437.16 = 18,545.28 : x
  2. Step 2: Convert to fraction form
    53,624.76/80,437.16 = 18,545.28/x
  3. Step 3: Cross multiply
    53,624.76x = 80,437.16 × 18,545.28
  4. Step 4: Simplify right side
    53,624.76x = 1,491,729,654.60
  5. Step 5: Solve for x
    x = 1,491,729,654.60/53,624.76
  6. Step 6: Final answer
    x = 27,817.93

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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.