Home / 13,077.33-19,580.05-9,132.53

Finding the Fourth Proportional to 13,077.33, 19,580.05 and 9,132.53

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Solution

The fourth proportional to 13,077.33, 19,580.05 and 9,132.53 is: 13,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.33 : 19,580.05 = 9,132.53 : x
  2. Step 2: Convert to fraction form
    13,077.33/19,580.05 = 9,132.53/x
  3. Step 3: Cross multiply
    13,077.33x = 19,580.05 × 9,132.53
  4. Step 4: Simplify right side
    13,077.33x = 178,815,394.03
  5. Step 5: Solve for x
    x = 178,815,394.03/13,077.33
  6. Step 6: Final answer
    x = 13,673.69

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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.