Home / 26,512.50-39,760.26-11,721.10

Finding the Fourth Proportional to 26,512.50, 39,760.26 and 11,721.10

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Solution

The fourth proportional to 26,512.50, 39,760.26 and 11,721.10 is: 17,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,512.50 : 39,760.26 = 11,721.10 : x
  2. Step 2: Convert to fraction form
    26,512.50/39,760.26 = 11,721.10/x
  3. Step 3: Cross multiply
    26,512.50x = 39,760.26 × 11,721.10
  4. Step 4: Simplify right side
    26,512.50x = 466,033,983.49
  5. Step 5: Solve for x
    x = 466,033,983.49/26,512.50
  6. Step 6: Final answer
    x = 17,577.90

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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.