Home / 19,951.62-29,927.95-5,160.48

Finding the Fourth Proportional to 19,951.62, 29,927.95 and 5,160.48

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Solution

The fourth proportional to 19,951.62, 29,927.95 and 5,160.48 is: 7,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.62 : 29,927.95 = 5,160.48 : x
  2. Step 2: Convert to fraction form
    19,951.62/29,927.95 = 5,160.48/x
  3. Step 3: Cross multiply
    19,951.62x = 29,927.95 × 5,160.48
  4. Step 4: Simplify right side
    19,951.62x = 154,442,462.28
  5. Step 5: Solve for x
    x = 154,442,462.28/19,951.62
  6. Step 6: Final answer
    x = 7,740.85

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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.