Home / 37,314.45-55,976.81-13,618.85

Finding the Fourth Proportional to 37,314.45, 55,976.81 and 13,618.85

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Solution

The fourth proportional to 37,314.45, 55,976.81 and 13,618.85 is: 20,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,314.45 : 55,976.81 = 13,618.85 : x
  2. Step 2: Convert to fraction form
    37,314.45/55,976.81 = 13,618.85/x
  3. Step 3: Cross multiply
    37,314.45x = 55,976.81 × 13,618.85
  4. Step 4: Simplify right side
    37,314.45x = 762,339,430.89
  5. Step 5: Solve for x
    x = 762,339,430.89/37,314.45
  6. Step 6: Final answer
    x = 20,430.14

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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.