Home / 20,752.16-28,637.99-11,799.44

Finding the Fourth Proportional to 20,752.16, 28,637.99 and 11,799.44

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Solution

The fourth proportional to 20,752.16, 28,637.99 and 11,799.44 is: 16,283.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752.16 : 28,637.99 = 11,799.44 : x
  2. Step 2: Convert to fraction form
    20,752.16/28,637.99 = 11,799.44/x
  3. Step 3: Cross multiply
    20,752.16x = 28,637.99 × 11,799.44
  4. Step 4: Simplify right side
    20,752.16x = 337,912,244.73
  5. Step 5: Solve for x
    x = 337,912,244.73/20,752.16
  6. Step 6: Final answer
    x = 16,283.23

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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.