Home / 16,028.13-22,119.15-8,954.55

Finding the Fourth Proportional to 16,028.13, 22,119.15 and 8,954.55

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Solution

The fourth proportional to 16,028.13, 22,119.15 and 8,954.55 is: 12,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,028.13 : 22,119.15 = 8,954.55 : x
  2. Step 2: Convert to fraction form
    16,028.13/22,119.15 = 8,954.55/x
  3. Step 3: Cross multiply
    16,028.13x = 22,119.15 × 8,954.55
  4. Step 4: Simplify right side
    16,028.13x = 198,067,034.63
  5. Step 5: Solve for x
    x = 198,067,034.63/16,028.13
  6. Step 6: Final answer
    x = 12,357.46

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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.