Home / 23,750.28-32,772.60-13,139.28

Finding the Fourth Proportional to 23,750.28, 32,772.60 and 13,139.28

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Solution

The fourth proportional to 23,750.28, 32,772.60 and 13,139.28 is: 18,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,750.28 : 32,772.60 = 13,139.28 : x
  2. Step 2: Convert to fraction form
    23,750.28/32,772.60 = 13,139.28/x
  3. Step 3: Cross multiply
    23,750.28x = 32,772.60 × 13,139.28
  4. Step 4: Simplify right side
    23,750.28x = 430,608,367.73
  5. Step 5: Solve for x
    x = 430,608,367.73/23,750.28
  6. Step 6: Final answer
    x = 18,130.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.