Home / 26,503.56-39,760.20-10,912.68

Finding the Fourth Proportional to 26,503.56, 39,760.20 and 10,912.68

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Solution

The fourth proportional to 26,503.56, 39,760.20 and 10,912.68 is: 16,371.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,503.56 : 39,760.20 = 10,912.68 : x
  2. Step 2: Convert to fraction form
    26,503.56/39,760.20 = 10,912.68/x
  3. Step 3: Cross multiply
    26,503.56x = 39,760.20 × 10,912.68
  4. Step 4: Simplify right side
    26,503.56x = 433,890,339.34
  5. Step 5: Solve for x
    x = 433,890,339.34/26,503.56
  6. Step 6: Final answer
    x = 16,371.02

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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.