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Finding the Fourth Proportional to 22,068.84, 30,452.92 and 13,114.90

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Solution

The fourth proportional to 22,068.84, 30,452.92 and 13,114.90 is: 18,097.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068.84 : 30,452.92 = 13,114.90 : x
  2. Step 2: Convert to fraction form
    22,068.84/30,452.92 = 13,114.90/x
  3. Step 3: Cross multiply
    22,068.84x = 30,452.92 × 13,114.90
  4. Step 4: Simplify right side
    22,068.84x = 399,387,000.51
  5. Step 5: Solve for x
    x = 399,387,000.51/22,068.84
  6. Step 6: Final answer
    x = 18,097.33

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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.