Home / 26,191.24-39,287.10-13,680.52

Finding the Fourth Proportional to 26,191.24, 39,287.10 and 13,680.52

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Solution

The fourth proportional to 26,191.24, 39,287.10 and 13,680.52 is: 20,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,191.24 : 39,287.10 = 13,680.52 : x
  2. Step 2: Convert to fraction form
    26,191.24/39,287.10 = 13,680.52/x
  3. Step 3: Cross multiply
    26,191.24x = 39,287.10 × 13,680.52
  4. Step 4: Simplify right side
    26,191.24x = 537,467,957.29
  5. Step 5: Solve for x
    x = 537,467,957.29/26,191.24
  6. Step 6: Final answer
    x = 20,520.91

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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.