Home / 12,057.66-17,979.57-11,253.33

Finding the Fourth Proportional to 12,057.66, 17,979.57 and 11,253.33

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Solution

The fourth proportional to 12,057.66, 17,979.57 and 11,253.33 is: 16,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.66 : 17,979.57 = 11,253.33 : x
  2. Step 2: Convert to fraction form
    12,057.66/17,979.57 = 11,253.33/x
  3. Step 3: Cross multiply
    12,057.66x = 17,979.57 × 11,253.33
  4. Step 4: Simplify right side
    12,057.66x = 202,330,034.47
  5. Step 5: Solve for x
    x = 202,330,034.47/12,057.66
  6. Step 6: Final answer
    x = 16,780.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.