Home / 18,852.38-25,949.66-16,620.02

Finding the Fourth Proportional to 18,852.38, 25,949.66 and 16,620.02

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Solution

The fourth proportional to 18,852.38, 25,949.66 and 16,620.02 is: 22,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.38 : 25,949.66 = 16,620.02 : x
  2. Step 2: Convert to fraction form
    18,852.38/25,949.66 = 16,620.02/x
  3. Step 3: Cross multiply
    18,852.38x = 25,949.66 × 16,620.02
  4. Step 4: Simplify right side
    18,852.38x = 431,283,868.19
  5. Step 5: Solve for x
    x = 431,283,868.19/18,852.38
  6. Step 6: Final answer
    x = 22,876.89

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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.