Home / 19,110.28-28,652.34-9,732.15

Finding the Fourth Proportional to 19,110.28, 28,652.34 and 9,732.15

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Solution

The fourth proportional to 19,110.28, 28,652.34 and 9,732.15 is: 14,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.28 : 28,652.34 = 9,732.15 : x
  2. Step 2: Convert to fraction form
    19,110.28/28,652.34 = 9,732.15/x
  3. Step 3: Cross multiply
    19,110.28x = 28,652.34 × 9,732.15
  4. Step 4: Simplify right side
    19,110.28x = 278,848,859.33
  5. Step 5: Solve for x
    x = 278,848,859.33/19,110.28
  6. Step 6: Final answer
    x = 14,591.56

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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.