Home / 14,306.20-19,742.46-7,932.79

Finding the Fourth Proportional to 14,306.20, 19,742.46 and 7,932.79

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Solution

The fourth proportional to 14,306.20, 19,742.46 and 7,932.79 is: 10,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.20 : 19,742.46 = 7,932.79 : x
  2. Step 2: Convert to fraction form
    14,306.20/19,742.46 = 7,932.79/x
  3. Step 3: Cross multiply
    14,306.20x = 19,742.46 × 7,932.79
  4. Step 4: Simplify right side
    14,306.20x = 156,612,750.98
  5. Step 5: Solve for x
    x = 156,612,750.98/14,306.20
  6. Step 6: Final answer
    x = 10,947.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.