Home / 15,936.40-23,908.20-9,359.20

Finding the Fourth Proportional to 15,936.40, 23,908.20 and 9,359.20

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Solution

The fourth proportional to 15,936.40, 23,908.20 and 9,359.20 is: 14,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,936.40 : 23,908.20 = 9,359.20 : x
  2. Step 2: Convert to fraction form
    15,936.40/23,908.20 = 9,359.20/x
  3. Step 3: Cross multiply
    15,936.40x = 23,908.20 × 9,359.20
  4. Step 4: Simplify right side
    15,936.40x = 223,761,625.44
  5. Step 5: Solve for x
    x = 223,761,625.44/15,936.40
  6. Step 6: Final answer
    x = 14,040.91

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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.