Home / 37,112.58-55,663.45-12,153.61

Finding the Fourth Proportional to 37,112.58, 55,663.45 and 12,153.61

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Solution

The fourth proportional to 37,112.58, 55,663.45 and 12,153.61 is: 18,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,112.58 : 55,663.45 = 12,153.61 : x
  2. Step 2: Convert to fraction form
    37,112.58/55,663.45 = 12,153.61/x
  3. Step 3: Cross multiply
    37,112.58x = 55,663.45 × 12,153.61
  4. Step 4: Simplify right side
    37,112.58x = 676,511,523.47
  5. Step 5: Solve for x
    x = 676,511,523.47/37,112.58
  6. Step 6: Final answer
    x = 18,228.63

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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.