Home / 22,765.56-34,155.12-11,680.08

Finding the Fourth Proportional to 22,765.56, 34,155.12 and 11,680.08

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Solution

The fourth proportional to 22,765.56, 34,155.12 and 11,680.08 is: 17,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.56 : 34,155.12 = 11,680.08 : x
  2. Step 2: Convert to fraction form
    22,765.56/34,155.12 = 11,680.08/x
  3. Step 3: Cross multiply
    22,765.56x = 34,155.12 × 11,680.08
  4. Step 4: Simplify right side
    22,765.56x = 398,934,534.01
  5. Step 5: Solve for x
    x = 398,934,534.01/22,765.56
  6. Step 6: Final answer
    x = 17,523.60

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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.