Home / 17,436.12-26,158.29-13,891.69

Finding the Fourth Proportional to 17,436.12, 26,158.29 and 13,891.69

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Solution

The fourth proportional to 17,436.12, 26,158.29 and 13,891.69 is: 20,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,436.12 : 26,158.29 = 13,891.69 : x
  2. Step 2: Convert to fraction form
    17,436.12/26,158.29 = 13,891.69/x
  3. Step 3: Cross multiply
    17,436.12x = 26,158.29 × 13,891.69
  4. Step 4: Simplify right side
    17,436.12x = 363,382,855.61
  5. Step 5: Solve for x
    x = 363,382,855.61/17,436.12
  6. Step 6: Final answer
    x = 20,840.81

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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.