Home / 16,140.66-22,273.80-9,067.20

Finding the Fourth Proportional to 16,140.66, 22,273.80 and 9,067.20

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Solution

The fourth proportional to 16,140.66, 22,273.80 and 9,067.20 is: 12,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.66 : 22,273.80 = 9,067.20 : x
  2. Step 2: Convert to fraction form
    16,140.66/22,273.80 = 9,067.20/x
  3. Step 3: Cross multiply
    16,140.66x = 22,273.80 × 9,067.20
  4. Step 4: Simplify right side
    16,140.66x = 201,960,999.36
  5. Step 5: Solve for x
    x = 201,960,999.36/16,140.66
  6. Step 6: Final answer
    x = 12,512.56

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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.