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Finding the Fourth Proportional to 18,196.68, 25,114.14 and 17,070.96

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Solution

The fourth proportional to 18,196.68, 25,114.14 and 17,070.96 is: 23,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196.68 : 25,114.14 = 17,070.96 : x
  2. Step 2: Convert to fraction form
    18,196.68/25,114.14 = 17,070.96/x
  3. Step 3: Cross multiply
    18,196.68x = 25,114.14 × 17,070.96
  4. Step 4: Simplify right side
    18,196.68x = 428,722,479.37
  5. Step 5: Solve for x
    x = 428,722,479.37/18,196.68
  6. Step 6: Final answer
    x = 23,560.48

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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.