Home / 36,825.60-55,238.34-9,123.60

Finding the Fourth Proportional to 36,825.60, 55,238.34 and 9,123.60

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Solution

The fourth proportional to 36,825.60, 55,238.34 and 9,123.60 is: 13,685.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,825.60 : 55,238.34 = 9,123.60 : x
  2. Step 2: Convert to fraction form
    36,825.60/55,238.34 = 9,123.60/x
  3. Step 3: Cross multiply
    36,825.60x = 55,238.34 × 9,123.60
  4. Step 4: Simplify right side
    36,825.60x = 503,972,518.82
  5. Step 5: Solve for x
    x = 503,972,518.82/36,825.60
  6. Step 6: Final answer
    x = 13,685.39

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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.