Home / 37,140.07-55,704.63-12,182.75

Finding the Fourth Proportional to 37,140.07, 55,704.63 and 12,182.75

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Solution

The fourth proportional to 37,140.07, 55,704.63 and 12,182.75 is: 18,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.07 : 55,704.63 = 12,182.75 : x
  2. Step 2: Convert to fraction form
    37,140.07/55,704.63 = 12,182.75/x
  3. Step 3: Cross multiply
    37,140.07x = 55,704.63 × 12,182.75
  4. Step 4: Simplify right side
    37,140.07x = 678,635,750.85
  5. Step 5: Solve for x
    x = 678,635,750.85/37,140.07
  6. Step 6: Final answer
    x = 18,272.33

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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.