Home / 13,542.53-20,264.56-11,180.57

Finding the Fourth Proportional to 13,542.53, 20,264.56 and 11,180.57

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Solution

The fourth proportional to 13,542.53, 20,264.56 and 11,180.57 is: 16,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542.53 : 20,264.56 = 11,180.57 : x
  2. Step 2: Convert to fraction form
    13,542.53/20,264.56 = 11,180.57/x
  3. Step 3: Cross multiply
    13,542.53x = 20,264.56 × 11,180.57
  4. Step 4: Simplify right side
    13,542.53x = 226,569,354.31
  5. Step 5: Solve for x
    x = 226,569,354.31/13,542.53
  6. Step 6: Final answer
    x = 16,730.21

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1.5x scale

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.