Home / 22,918.23-31,627.11-13,965.75

Finding the Fourth Proportional to 22,918.23, 31,627.11 and 13,965.75

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Solution

The fourth proportional to 22,918.23, 31,627.11 and 13,965.75 is: 19,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.23 : 31,627.11 = 13,965.75 : x
  2. Step 2: Convert to fraction form
    22,918.23/31,627.11 = 13,965.75/x
  3. Step 3: Cross multiply
    22,918.23x = 31,627.11 × 13,965.75
  4. Step 4: Simplify right side
    22,918.23x = 441,696,363.85
  5. Step 5: Solve for x
    x = 441,696,363.85/22,918.23
  6. Step 6: Final answer
    x = 19,272.71

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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.