Home / 26,001.49-39,002.20-8,471.29

Finding the Fourth Proportional to 26,001.49, 39,002.20 and 8,471.29

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Solution

The fourth proportional to 26,001.49, 39,002.20 and 8,471.29 is: 12,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,001.49 : 39,002.20 = 8,471.29 : x
  2. Step 2: Convert to fraction form
    26,001.49/39,002.20 = 8,471.29/x
  3. Step 3: Cross multiply
    26,001.49x = 39,002.20 × 8,471.29
  4. Step 4: Simplify right side
    26,001.49x = 330,398,946.84
  5. Step 5: Solve for x
    x = 330,398,946.84/26,001.49
  6. Step 6: Final answer
    x = 12,706.92

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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.