Home / 26,191.92-39,281.40-7,472.02

Finding the Fourth Proportional to 26,191.92, 39,281.40 and 7,472.02

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Solution

The fourth proportional to 26,191.92, 39,281.40 and 7,472.02 is: 11,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,191.92 : 39,281.40 = 7,472.02 : x
  2. Step 2: Convert to fraction form
    26,191.92/39,281.40 = 7,472.02/x
  3. Step 3: Cross multiply
    26,191.92x = 39,281.40 × 7,472.02
  4. Step 4: Simplify right side
    26,191.92x = 293,511,406.43
  5. Step 5: Solve for x
    x = 293,511,406.43/26,191.92
  6. Step 6: Final answer
    x = 11,206.18

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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.