Home / 25,607.24-38,378.46-13,731.56

Finding the Fourth Proportional to 25,607.24, 38,378.46 and 13,731.56

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Solution

The fourth proportional to 25,607.24, 38,378.46 and 13,731.56 is: 20,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,607.24 : 38,378.46 = 13,731.56 : x
  2. Step 2: Convert to fraction form
    25,607.24/38,378.46 = 13,731.56/x
  3. Step 3: Cross multiply
    25,607.24x = 38,378.46 × 13,731.56
  4. Step 4: Simplify right side
    25,607.24x = 526,996,126.20
  5. Step 5: Solve for x
    x = 526,996,126.20/25,607.24
  6. Step 6: Final answer
    x = 20,579.97

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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.