Home / 20,034.08-27,652.80-14,067.20

Finding the Fourth Proportional to 20,034.08, 27,652.80 and 14,067.20

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Solution

The fourth proportional to 20,034.08, 27,652.80 and 14,067.20 is: 19,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.08 : 27,652.80 = 14,067.20 : x
  2. Step 2: Convert to fraction form
    20,034.08/27,652.80 = 14,067.20/x
  3. Step 3: Cross multiply
    20,034.08x = 27,652.80 × 14,067.20
  4. Step 4: Simplify right side
    20,034.08x = 388,997,468.16
  5. Step 5: Solve for x
    x = 388,997,468.16/20,034.08
  6. Step 6: Final answer
    x = 19,416.79

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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.