Home / 22,939.40-34,411.15-8,899.09

Finding the Fourth Proportional to 22,939.40, 34,411.15 and 8,899.09

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Solution

The fourth proportional to 22,939.40, 34,411.15 and 8,899.09 is: 13,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,939.40 : 34,411.15 = 8,899.09 : x
  2. Step 2: Convert to fraction form
    22,939.40/34,411.15 = 8,899.09/x
  3. Step 3: Cross multiply
    22,939.40x = 34,411.15 × 8,899.09
  4. Step 4: Simplify right side
    22,939.40x = 306,227,704.30
  5. Step 5: Solve for x
    x = 306,227,704.30/22,939.40
  6. Step 6: Final answer
    x = 13,349.42

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1.5x scale

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.