Home / 26,143.16-39,220.20-10,560.78

Finding the Fourth Proportional to 26,143.16, 39,220.20 and 10,560.78

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Solution

The fourth proportional to 26,143.16, 39,220.20 and 10,560.78 is: 15,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.16 : 39,220.20 = 10,560.78 : x
  2. Step 2: Convert to fraction form
    26,143.16/39,220.20 = 10,560.78/x
  3. Step 3: Cross multiply
    26,143.16x = 39,220.20 × 10,560.78
  4. Step 4: Simplify right side
    26,143.16x = 414,195,903.76
  5. Step 5: Solve for x
    x = 414,195,903.76/26,143.16
  6. Step 6: Final answer
    x = 15,843.38

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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.