Home / 26,995.20-40,471.68-13,140.48

Finding the Fourth Proportional to 26,995.20, 40,471.68 and 13,140.48

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Solution

The fourth proportional to 26,995.20, 40,471.68 and 13,140.48 is: 19,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,995.20 : 40,471.68 = 13,140.48 : x
  2. Step 2: Convert to fraction form
    26,995.20/40,471.68 = 13,140.48/x
  3. Step 3: Cross multiply
    26,995.20x = 40,471.68 × 13,140.48
  4. Step 4: Simplify right side
    26,995.20x = 531,817,301.61
  5. Step 5: Solve for x
    x = 531,817,301.61/26,995.20
  6. Step 6: Final answer
    x = 19,700.44

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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.