Home / 13,592.33-18,747.92-13,135.12

Finding the Fourth Proportional to 13,592.33, 18,747.92 and 13,135.12

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Solution

The fourth proportional to 13,592.33, 18,747.92 and 13,135.12 is: 18,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.33 : 18,747.92 = 13,135.12 : x
  2. Step 2: Convert to fraction form
    13,592.33/18,747.92 = 13,135.12/x
  3. Step 3: Cross multiply
    13,592.33x = 18,747.92 × 13,135.12
  4. Step 4: Simplify right side
    13,592.33x = 246,256,085.21
  5. Step 5: Solve for x
    x = 246,256,085.21/13,592.33
  6. Step 6: Final answer
    x = 18,117.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.