Home / 26,447.98-39,672.12-10,660.27

Finding the Fourth Proportional to 26,447.98, 39,672.12 and 10,660.27

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Solution

The fourth proportional to 26,447.98, 39,672.12 and 10,660.27 is: 15,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,447.98 : 39,672.12 = 10,660.27 : x
  2. Step 2: Convert to fraction form
    26,447.98/39,672.12 = 10,660.27/x
  3. Step 3: Cross multiply
    26,447.98x = 39,672.12 × 10,660.27
  4. Step 4: Simplify right side
    26,447.98x = 422,915,510.67
  5. Step 5: Solve for x
    x = 422,915,510.67/26,447.98
  6. Step 6: Final answer
    x = 15,990.47

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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.