Home / 22,716.80-31,353.71-13,158.26

Finding the Fourth Proportional to 22,716.80, 31,353.71 and 13,158.26

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Solution

The fourth proportional to 22,716.80, 31,353.71 and 13,158.26 is: 18,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,716.80 : 31,353.71 = 13,158.26 : x
  2. Step 2: Convert to fraction form
    22,716.80/31,353.71 = 13,158.26/x
  3. Step 3: Cross multiply
    22,716.80x = 31,353.71 × 13,158.26
  4. Step 4: Simplify right side
    22,716.80x = 412,560,268.14
  5. Step 5: Solve for x
    x = 412,560,268.14/22,716.80
  6. Step 6: Final answer
    x = 18,161.02

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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.