Home / 13,363.54-20,023.42-7,116.92

Finding the Fourth Proportional to 13,363.54, 20,023.42 and 7,116.92

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Solution

The fourth proportional to 13,363.54, 20,023.42 and 7,116.92 is: 10,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.54 : 20,023.42 = 7,116.92 : x
  2. Step 2: Convert to fraction form
    13,363.54/20,023.42 = 7,116.92/x
  3. Step 3: Cross multiply
    13,363.54x = 20,023.42 × 7,116.92
  4. Step 4: Simplify right side
    13,363.54x = 142,505,078.27
  5. Step 5: Solve for x
    x = 142,505,078.27/13,363.54
  6. Step 6: Final answer
    x = 10,663.72

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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.