Home / 36,561.20-54,847.20-11,603.60

Finding the Fourth Proportional to 36,561.20, 54,847.20 and 11,603.60

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Solution

The fourth proportional to 36,561.20, 54,847.20 and 11,603.60 is: 17,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,561.20 : 54,847.20 = 11,603.60 : x
  2. Step 2: Convert to fraction form
    36,561.20/54,847.20 = 11,603.60/x
  3. Step 3: Cross multiply
    36,561.20x = 54,847.20 × 11,603.60
  4. Step 4: Simplify right side
    36,561.20x = 636,424,969.92
  5. Step 5: Solve for x
    x = 636,424,969.92/36,561.20
  6. Step 6: Final answer
    x = 17,407.11

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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.