Home / 25,143.13-37,719.56-8,505.87

Finding the Fourth Proportional to 25,143.13, 37,719.56 and 8,505.87

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Solution

The fourth proportional to 25,143.13, 37,719.56 and 8,505.87 is: 12,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.13 : 37,719.56 = 8,505.87 : x
  2. Step 2: Convert to fraction form
    25,143.13/37,719.56 = 8,505.87/x
  3. Step 3: Cross multiply
    25,143.13x = 37,719.56 × 8,505.87
  4. Step 4: Simplify right side
    25,143.13x = 320,837,442.69
  5. Step 5: Solve for x
    x = 320,837,442.69/25,143.13
  6. Step 6: Final answer
    x = 12,760.44

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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.