Home / 26,512.29-39,766.36-15,411.90

Finding the Fourth Proportional to 26,512.29, 39,766.36 and 15,411.90

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Solution

The fourth proportional to 26,512.29, 39,766.36 and 15,411.90 is: 23,116.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,512.29 : 39,766.36 = 15,411.90 : x
  2. Step 2: Convert to fraction form
    26,512.29/39,766.36 = 15,411.90/x
  3. Step 3: Cross multiply
    26,512.29x = 39,766.36 × 15,411.90
  4. Step 4: Simplify right side
    26,512.29x = 612,875,003.38
  5. Step 5: Solve for x
    x = 612,875,003.38/26,512.29
  6. Step 6: Final answer
    x = 23,116.64

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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.