Home / 26,787.30-40,149.36-9,247.56

Finding the Fourth Proportional to 26,787.30, 40,149.36 and 9,247.56

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Solution

The fourth proportional to 26,787.30, 40,149.36 and 9,247.56 is: 13,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,787.30 : 40,149.36 = 9,247.56 : x
  2. Step 2: Convert to fraction form
    26,787.30/40,149.36 = 9,247.56/x
  3. Step 3: Cross multiply
    26,787.30x = 40,149.36 × 9,247.56
  4. Step 4: Simplify right side
    26,787.30x = 371,283,615.56
  5. Step 5: Solve for x
    x = 371,283,615.56/26,787.30
  6. Step 6: Final answer
    x = 13,860.43

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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.