Home / 20,252.49-27,948.35-11,299.46

Finding the Fourth Proportional to 20,252.49, 27,948.35 and 11,299.46

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Solution

The fourth proportional to 20,252.49, 27,948.35 and 11,299.46 is: 15,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.49 : 27,948.35 = 11,299.46 : x
  2. Step 2: Convert to fraction form
    20,252.49/27,948.35 = 11,299.46/x
  3. Step 3: Cross multiply
    20,252.49x = 27,948.35 × 11,299.46
  4. Step 4: Simplify right side
    20,252.49x = 315,801,066.65
  5. Step 5: Solve for x
    x = 315,801,066.65/20,252.49
  6. Step 6: Final answer
    x = 15,593.20

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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.