Home / 26,242.79-39,380.11-10,660.01

Finding the Fourth Proportional to 26,242.79, 39,380.11 and 10,660.01

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Solution

The fourth proportional to 26,242.79, 39,380.11 and 10,660.01 is: 15,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,242.79 : 39,380.11 = 10,660.01 : x
  2. Step 2: Convert to fraction form
    26,242.79/39,380.11 = 10,660.01/x
  3. Step 3: Cross multiply
    26,242.79x = 39,380.11 × 10,660.01
  4. Step 4: Simplify right side
    26,242.79x = 419,792,142.85
  5. Step 5: Solve for x
    x = 419,792,142.85/26,242.79
  6. Step 6: Final answer
    x = 15,996.48

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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.