Home / 25,270.80-37,906.20-11,237.55

Finding the Fourth Proportional to 25,270.80, 37,906.20 and 11,237.55

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Solution

The fourth proportional to 25,270.80, 37,906.20 and 11,237.55 is: 16,856.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,270.80 : 37,906.20 = 11,237.55 : x
  2. Step 2: Convert to fraction form
    25,270.80/37,906.20 = 11,237.55/x
  3. Step 3: Cross multiply
    25,270.80x = 37,906.20 × 11,237.55
  4. Step 4: Simplify right side
    25,270.80x = 425,972,817.81
  5. Step 5: Solve for x
    x = 425,972,817.81/25,270.80
  6. Step 6: Final answer
    x = 16,856.33

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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.