Home / 37,188.13-55,790.97-12,228.25

Finding the Fourth Proportional to 37,188.13, 55,790.97 and 12,228.25

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Solution

The fourth proportional to 37,188.13, 55,790.97 and 12,228.25 is: 18,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,188.13 : 55,790.97 = 12,228.25 : x
  2. Step 2: Convert to fraction form
    37,188.13/55,790.97 = 12,228.25/x
  3. Step 3: Cross multiply
    37,188.13x = 55,790.97 × 12,228.25
  4. Step 4: Simplify right side
    37,188.13x = 682,225,928.90
  5. Step 5: Solve for x
    x = 682,225,928.90/37,188.13
  6. Step 6: Final answer
    x = 18,345.26

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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.