Home / 38,065.68-57,103.98-11,772.47

Finding the Fourth Proportional to 38,065.68, 57,103.98 and 11,772.47

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Solution

The fourth proportional to 38,065.68, 57,103.98 and 11,772.47 is: 17,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,065.68 : 57,103.98 = 11,772.47 : x
  2. Step 2: Convert to fraction form
    38,065.68/57,103.98 = 11,772.47/x
  3. Step 3: Cross multiply
    38,065.68x = 57,103.98 × 11,772.47
  4. Step 4: Simplify right side
    38,065.68x = 672,254,605.91
  5. Step 5: Solve for x
    x = 672,254,605.91/38,065.68
  6. Step 6: Final answer
    x = 17,660.39

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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.