Home / 13,456.40-20,170.20-6,059.60

Finding the Fourth Proportional to 13,456.40, 20,170.20 and 6,059.60

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Solution

The fourth proportional to 13,456.40, 20,170.20 and 6,059.60 is: 9,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.40 : 20,170.20 = 6,059.60 : x
  2. Step 2: Convert to fraction form
    13,456.40/20,170.20 = 6,059.60/x
  3. Step 3: Cross multiply
    13,456.40x = 20,170.20 × 6,059.60
  4. Step 4: Simplify right side
    13,456.40x = 122,223,343.92
  5. Step 5: Solve for x
    x = 122,223,343.92/13,456.40
  6. Step 6: Final answer
    x = 9,082.92

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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.