Home / 22,340.13-30,843.84-13,851.29

Finding the Fourth Proportional to 22,340.13, 30,843.84 and 13,851.29

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Solution

The fourth proportional to 22,340.13, 30,843.84 and 13,851.29 is: 19,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,340.13 : 30,843.84 = 13,851.29 : x
  2. Step 2: Convert to fraction form
    22,340.13/30,843.84 = 13,851.29/x
  3. Step 3: Cross multiply
    22,340.13x = 30,843.84 × 13,851.29
  4. Step 4: Simplify right side
    22,340.13x = 427,226,972.55
  5. Step 5: Solve for x
    x = 427,226,972.55/22,340.13
  6. Step 6: Final answer
    x = 19,123.75

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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.