Home / 26,113.38-39,170.07-15,790.74

Finding the Fourth Proportional to 26,113.38, 39,170.07 and 15,790.74

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Solution

The fourth proportional to 26,113.38, 39,170.07 and 15,790.74 is: 23,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,113.38 : 39,170.07 = 15,790.74 : x
  2. Step 2: Convert to fraction form
    26,113.38/39,170.07 = 15,790.74/x
  3. Step 3: Cross multiply
    26,113.38x = 39,170.07 × 15,790.74
  4. Step 4: Simplify right side
    26,113.38x = 618,524,391.15
  5. Step 5: Solve for x
    x = 618,524,391.15/26,113.38
  6. Step 6: Final answer
    x = 23,686.11

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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.