Home / 25,141.81-37,711.56-7,371.75

Finding the Fourth Proportional to 25,141.81, 37,711.56 and 7,371.75

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Solution

The fourth proportional to 25,141.81, 37,711.56 and 7,371.75 is: 11,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,141.81 : 37,711.56 = 7,371.75 : x
  2. Step 2: Convert to fraction form
    25,141.81/37,711.56 = 7,371.75/x
  3. Step 3: Cross multiply
    25,141.81x = 37,711.56 × 7,371.75
  4. Step 4: Simplify right side
    25,141.81x = 278,000,155.57
  5. Step 5: Solve for x
    x = 278,000,155.57/25,141.81
  6. Step 6: Final answer
    x = 11,057.28

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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.