Home / 26,535.36-39,770.24-13,391.49

Finding the Fourth Proportional to 26,535.36, 39,770.24 and 13,391.49

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Solution

The fourth proportional to 26,535.36, 39,770.24 and 13,391.49 is: 20,070.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,535.36 : 39,770.24 = 13,391.49 : x
  2. Step 2: Convert to fraction form
    26,535.36/39,770.24 = 13,391.49/x
  3. Step 3: Cross multiply
    26,535.36x = 39,770.24 × 13,391.49
  4. Step 4: Simplify right side
    26,535.36x = 532,582,704.30
  5. Step 5: Solve for x
    x = 532,582,704.30/26,535.36
  6. Step 6: Final answer
    x = 20,070.68

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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.