Home / 18,070.57-27,122.06-15,127.44

Finding the Fourth Proportional to 18,070.57, 27,122.06 and 15,127.44

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Solution

The fourth proportional to 18,070.57, 27,122.06 and 15,127.44 is: 22,704.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.57 : 27,122.06 = 15,127.44 : x
  2. Step 2: Convert to fraction form
    18,070.57/27,122.06 = 15,127.44/x
  3. Step 3: Cross multiply
    18,070.57x = 27,122.06 × 15,127.44
  4. Step 4: Simplify right side
    18,070.57x = 410,287,335.33
  5. Step 5: Solve for x
    x = 410,287,335.33/18,070.57
  6. Step 6: Final answer
    x = 22,704.73

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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.