Home / 38,000.73-57,001.86-11,705.46

Finding the Fourth Proportional to 38,000.73, 57,001.86 and 11,705.46

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Solution

The fourth proportional to 38,000.73, 57,001.86 and 11,705.46 is: 17,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,000.73 : 57,001.86 = 11,705.46 : x
  2. Step 2: Convert to fraction form
    38,000.73/57,001.86 = 11,705.46/x
  3. Step 3: Cross multiply
    38,000.73x = 57,001.86 × 11,705.46
  4. Step 4: Simplify right side
    38,000.73x = 667,232,992.16
  5. Step 5: Solve for x
    x = 667,232,992.16/38,000.73
  6. Step 6: Final answer
    x = 17,558.43

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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.