Home / 23,126.84-34,704.10-9,979.21

Finding the Fourth Proportional to 23,126.84, 34,704.10 and 9,979.21

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Solution

The fourth proportional to 23,126.84, 34,704.10 and 9,979.21 is: 14,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,126.84 : 34,704.10 = 9,979.21 : x
  2. Step 2: Convert to fraction form
    23,126.84/34,704.10 = 9,979.21/x
  3. Step 3: Cross multiply
    23,126.84x = 34,704.10 × 9,979.21
  4. Step 4: Simplify right side
    23,126.84x = 346,319,641.40
  5. Step 5: Solve for x
    x = 346,319,641.40/23,126.84
  6. Step 6: Final answer
    x = 14,974.79

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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.