Home / 15,150.40-22,711.58-7,738.52

Finding the Fourth Proportional to 15,150.40, 22,711.58 and 7,738.52

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Solution

The fourth proportional to 15,150.40, 22,711.58 and 7,738.52 is: 11,600.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.40 : 22,711.58 = 7,738.52 : x
  2. Step 2: Convert to fraction form
    15,150.40/22,711.58 = 7,738.52/x
  3. Step 3: Cross multiply
    15,150.40x = 22,711.58 × 7,738.52
  4. Step 4: Simplify right side
    15,150.40x = 175,754,016.06
  5. Step 5: Solve for x
    x = 175,754,016.06/15,150.40
  6. Step 6: Final answer
    x = 11,600.62

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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.