Home / 15,747.15-23,624.82-6,979.98

Finding the Fourth Proportional to 15,747.15, 23,624.82 and 6,979.98

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Solution

The fourth proportional to 15,747.15, 23,624.82 and 6,979.98 is: 10,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.15 : 23,624.82 = 6,979.98 : x
  2. Step 2: Convert to fraction form
    15,747.15/23,624.82 = 6,979.98/x
  3. Step 3: Cross multiply
    15,747.15x = 23,624.82 × 6,979.98
  4. Step 4: Simplify right side
    15,747.15x = 164,900,771.10
  5. Step 5: Solve for x
    x = 164,900,771.10/15,747.15
  6. Step 6: Final answer
    x = 10,471.79

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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.