Home / 12,436.03-17,159.19-12,008.85

Finding the Fourth Proportional to 12,436.03, 17,159.19 and 12,008.85

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Solution

The fourth proportional to 12,436.03, 17,159.19 and 12,008.85 is: 16,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.03 : 17,159.19 = 12,008.85 : x
  2. Step 2: Convert to fraction form
    12,436.03/17,159.19 = 12,008.85/x
  3. Step 3: Cross multiply
    12,436.03x = 17,159.19 × 12,008.85
  4. Step 4: Simplify right side
    12,436.03x = 206,062,138.83
  5. Step 5: Solve for x
    x = 206,062,138.83/12,436.03
  6. Step 6: Final answer
    x = 16,569.78

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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.