Home / 26,472.20-39,722.70-10,891.40

Finding the Fourth Proportional to 26,472.20, 39,722.70 and 10,891.40

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Solution

The fourth proportional to 26,472.20, 39,722.70 and 10,891.40 is: 16,343.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,472.20 : 39,722.70 = 10,891.40 : x
  2. Step 2: Convert to fraction form
    26,472.20/39,722.70 = 10,891.40/x
  3. Step 3: Cross multiply
    26,472.20x = 39,722.70 × 10,891.40
  4. Step 4: Simplify right side
    26,472.20x = 432,635,814.78
  5. Step 5: Solve for x
    x = 432,635,814.78/26,472.20
  6. Step 6: Final answer
    x = 16,343.02

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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.