Home / 13,023.20-17,972.06-7,054.86

Finding the Fourth Proportional to 13,023.20, 17,972.06 and 7,054.86

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Solution

The fourth proportional to 13,023.20, 17,972.06 and 7,054.86 is: 9,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.20 : 17,972.06 = 7,054.86 : x
  2. Step 2: Convert to fraction form
    13,023.20/17,972.06 = 7,054.86/x
  3. Step 3: Cross multiply
    13,023.20x = 17,972.06 × 7,054.86
  4. Step 4: Simplify right side
    13,023.20x = 126,790,367.21
  5. Step 5: Solve for x
    x = 126,790,367.21/13,023.20
  6. Step 6: Final answer
    x = 9,735.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.