Home / 15,097.80-22,536.27-13,986

Finding the Fourth Proportional to 15,097.80, 22,536.27 and 13,986

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Solution

The fourth proportional to 15,097.80, 22,536.27 and 13,986 is: 20,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,097.80 : 22,536.27 = 13,986 : x
  2. Step 2: Convert to fraction form
    15,097.80/22,536.27 = 13,986/x
  3. Step 3: Cross multiply
    15,097.80x = 22,536.27 × 13,986
  4. Step 4: Simplify right side
    15,097.80x = 315,192,272.22
  5. Step 5: Solve for x
    x = 315,192,272.22/15,097.80
  6. Step 6: Final answer
    x = 20,876.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.