Home / 25,652.40-38,491.91-19,410.54

Finding the Fourth Proportional to 25,652.40, 38,491.91 and 19,410.54

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Solution

The fourth proportional to 25,652.40, 38,491.91 and 19,410.54 is: 29,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,652.40 : 38,491.91 = 19,410.54 : x
  2. Step 2: Convert to fraction form
    25,652.40/38,491.91 = 19,410.54/x
  3. Step 3: Cross multiply
    25,652.40x = 38,491.91 × 19,410.54
  4. Step 4: Simplify right side
    25,652.40x = 747,148,590.12
  5. Step 5: Solve for x
    x = 747,148,590.12/25,652.40
  6. Step 6: Final answer
    x = 29,125.88

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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.