Home / 13,229.30-18,255.26-7,562.94

Finding the Fourth Proportional to 13,229.30, 18,255.26 and 7,562.94

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Solution

The fourth proportional to 13,229.30, 18,255.26 and 7,562.94 is: 10,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.30 : 18,255.26 = 7,562.94 : x
  2. Step 2: Convert to fraction form
    13,229.30/18,255.26 = 7,562.94/x
  3. Step 3: Cross multiply
    13,229.30x = 18,255.26 × 7,562.94
  4. Step 4: Simplify right side
    13,229.30x = 138,063,436.06
  5. Step 5: Solve for x
    x = 138,063,436.06/13,229.30
  6. Step 6: Final answer
    x = 10,436.19

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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.