Home / 20,067.59-27,693.32-11,114.91

Finding the Fourth Proportional to 20,067.59, 27,693.32 and 11,114.91

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Solution

The fourth proportional to 20,067.59, 27,693.32 and 11,114.91 is: 15,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.59 : 27,693.32 = 11,114.91 : x
  2. Step 2: Convert to fraction form
    20,067.59/27,693.32 = 11,114.91/x
  3. Step 3: Cross multiply
    20,067.59x = 27,693.32 × 11,114.91
  4. Step 4: Simplify right side
    20,067.59x = 307,808,703.83
  5. Step 5: Solve for x
    x = 307,808,703.83/20,067.59
  6. Step 6: Final answer
    x = 15,338.60

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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.