Home / 13,159.68-19,737.28-3,923.52

Finding the Fourth Proportional to 13,159.68, 19,737.28 and 3,923.52

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Solution

The fourth proportional to 13,159.68, 19,737.28 and 3,923.52 is: 5,884.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.68 : 19,737.28 = 3,923.52 : x
  2. Step 2: Convert to fraction form
    13,159.68/19,737.28 = 3,923.52/x
  3. Step 3: Cross multiply
    13,159.68x = 19,737.28 × 3,923.52
  4. Step 4: Simplify right side
    13,159.68x = 77,439,612.83
  5. Step 5: Solve for x
    x = 77,439,612.83/13,159.68
  6. Step 6: Final answer
    x = 5,884.61

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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.