Home / 13,552.71-20,330.61-3,692.07

Finding the Fourth Proportional to 13,552.71, 20,330.61 and 3,692.07

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Solution

The fourth proportional to 13,552.71, 20,330.61 and 3,692.07 is: 5,538.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.71 : 20,330.61 = 3,692.07 : x
  2. Step 2: Convert to fraction form
    13,552.71/20,330.61 = 3,692.07/x
  3. Step 3: Cross multiply
    13,552.71x = 20,330.61 × 3,692.07
  4. Step 4: Simplify right side
    13,552.71x = 75,062,035.26
  5. Step 5: Solve for x
    x = 75,062,035.26/13,552.71
  6. Step 6: Final answer
    x = 5,538.53

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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.