Home / 38,166.80-57,249.59-11,872.98

Finding the Fourth Proportional to 38,166.80, 57,249.59 and 11,872.98

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Solution

The fourth proportional to 38,166.80, 57,249.59 and 11,872.98 is: 17,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,166.80 : 57,249.59 = 11,872.98 : x
  2. Step 2: Convert to fraction form
    38,166.80/57,249.59 = 11,872.98/x
  3. Step 3: Cross multiply
    38,166.80x = 57,249.59 × 11,872.98
  4. Step 4: Simplify right side
    38,166.80x = 679,723,177.71
  5. Step 5: Solve for x
    x = 679,723,177.71/38,166.80
  6. Step 6: Final answer
    x = 17,809.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.