Home / 15,146.46-22,721.85-4,759.02

Finding the Fourth Proportional to 15,146.46, 22,721.85 and 4,759.02

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Solution

The fourth proportional to 15,146.46, 22,721.85 and 4,759.02 is: 7,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.46 : 22,721.85 = 4,759.02 : x
  2. Step 2: Convert to fraction form
    15,146.46/22,721.85 = 4,759.02/x
  3. Step 3: Cross multiply
    15,146.46x = 22,721.85 × 4,759.02
  4. Step 4: Simplify right side
    15,146.46x = 108,133,738.59
  5. Step 5: Solve for x
    x = 108,133,738.59/15,146.46
  6. Step 6: Final answer
    x = 7,139.21

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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.