Home / 55,177.13-82,765.69-13,624.13

Finding the Fourth Proportional to 55,177.13, 82,765.69 and 13,624.13

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Solution

The fourth proportional to 55,177.13, 82,765.69 and 13,624.13 is: 20,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,177.13 : 82,765.69 = 13,624.13 : x
  2. Step 2: Convert to fraction form
    55,177.13/82,765.69 = 13,624.13/x
  3. Step 3: Cross multiply
    55,177.13x = 82,765.69 × 13,624.13
  4. Step 4: Simplify right side
    55,177.13x = 1,127,610,520.10
  5. Step 5: Solve for x
    x = 1,127,610,520.10/55,177.13
  6. Step 6: Final answer
    x = 20,436.19

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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.