Home / 25,156.38-37,742.47-10,372.26

Finding the Fourth Proportional to 25,156.38, 37,742.47 and 10,372.26

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Solution

The fourth proportional to 25,156.38, 37,742.47 and 10,372.26 is: 15,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,156.38 : 37,742.47 = 10,372.26 : x
  2. Step 2: Convert to fraction form
    25,156.38/37,742.47 = 10,372.26/x
  3. Step 3: Cross multiply
    25,156.38x = 37,742.47 × 10,372.26
  4. Step 4: Simplify right side
    25,156.38x = 391,474,711.88
  5. Step 5: Solve for x
    x = 391,474,711.88/25,156.38
  6. Step 6: Final answer
    x = 15,561.65

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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.