Home / 22,068.30-33,102.14-5,428.48

Finding the Fourth Proportional to 22,068.30, 33,102.14 and 5,428.48

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Solution

The fourth proportional to 22,068.30, 33,102.14 and 5,428.48 is: 8,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068.30 : 33,102.14 = 5,428.48 : x
  2. Step 2: Convert to fraction form
    22,068.30/33,102.14 = 5,428.48/x
  3. Step 3: Cross multiply
    22,068.30x = 33,102.14 × 5,428.48
  4. Step 4: Simplify right side
    22,068.30x = 179,694,304.95
  5. Step 5: Solve for x
    x = 179,694,304.95/22,068.30
  6. Step 6: Final answer
    x = 8,142.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.