Home / 55,177.75-82,766.90-13,624.75

Finding the Fourth Proportional to 55,177.75, 82,766.90 and 13,624.75

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Solution

The fourth proportional to 55,177.75, 82,766.90 and 13,624.75 is: 20,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,177.75 : 82,766.90 = 13,624.75 : x
  2. Step 2: Convert to fraction form
    55,177.75/82,766.90 = 13,624.75/x
  3. Step 3: Cross multiply
    55,177.75x = 82,766.90 × 13,624.75
  4. Step 4: Simplify right side
    55,177.75x = 1,127,678,320.78
  5. Step 5: Solve for x
    x = 1,127,678,320.78/55,177.75
  6. Step 6: Final answer
    x = 20,437.19

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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.