Home / 38,159.20-57,233.40-11,866.60

Finding the Fourth Proportional to 38,159.20, 57,233.40 and 11,866.60

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Solution

The fourth proportional to 38,159.20, 57,233.40 and 11,866.60 is: 17,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,159.20 : 57,233.40 = 11,866.60 : x
  2. Step 2: Convert to fraction form
    38,159.20/57,233.40 = 11,866.60/x
  3. Step 3: Cross multiply
    38,159.20x = 57,233.40 × 11,866.60
  4. Step 4: Simplify right side
    38,159.20x = 679,165,864.44
  5. Step 5: Solve for x
    x = 679,165,864.44/38,159.20
  6. Step 6: Final answer
    x = 17,798.22

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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.