Home / 15,189.33-22,784.19-5,328.90

Finding the Fourth Proportional to 15,189.33, 22,784.19 and 5,328.90

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Solution

The fourth proportional to 15,189.33, 22,784.19 and 5,328.90 is: 7,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189.33 : 22,784.19 = 5,328.90 : x
  2. Step 2: Convert to fraction form
    15,189.33/22,784.19 = 5,328.90/x
  3. Step 3: Cross multiply
    15,189.33x = 22,784.19 × 5,328.90
  4. Step 4: Simplify right side
    15,189.33x = 121,414,670.09
  5. Step 5: Solve for x
    x = 121,414,670.09/15,189.33
  6. Step 6: Final answer
    x = 7,993.42

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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.