Home / 25,368.30-38,043.14-8,723.61

Finding the Fourth Proportional to 25,368.30, 38,043.14 and 8,723.61

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Solution

The fourth proportional to 25,368.30, 38,043.14 and 8,723.61 is: 13,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,368.30 : 38,043.14 = 8,723.61 : x
  2. Step 2: Convert to fraction form
    25,368.30/38,043.14 = 8,723.61/x
  3. Step 3: Cross multiply
    25,368.30x = 38,043.14 × 8,723.61
  4. Step 4: Simplify right side
    25,368.30x = 331,873,472.92
  5. Step 5: Solve for x
    x = 331,873,472.92/25,368.30
  6. Step 6: Final answer
    x = 13,082.21

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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.