Home / 37,153.44-55,711.89-12,188.88

Finding the Fourth Proportional to 37,153.44, 55,711.89 and 12,188.88

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Solution

The fourth proportional to 37,153.44, 55,711.89 and 12,188.88 is: 18,277.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,153.44 : 55,711.89 = 12,188.88 : x
  2. Step 2: Convert to fraction form
    37,153.44/55,711.89 = 12,188.88/x
  3. Step 3: Cross multiply
    37,153.44x = 55,711.89 × 12,188.88
  4. Step 4: Simplify right side
    37,153.44x = 679,065,541.78
  5. Step 5: Solve for x
    x = 679,065,541.78/37,153.44
  6. Step 6: Final answer
    x = 18,277.33

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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.