Home / 13,348.72-20,023.20-5,557.52

Finding the Fourth Proportional to 13,348.72, 20,023.20 and 5,557.52

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Solution

The fourth proportional to 13,348.72, 20,023.20 and 5,557.52 is: 8,336.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.72 : 20,023.20 = 5,557.52 : x
  2. Step 2: Convert to fraction form
    13,348.72/20,023.20 = 5,557.52/x
  3. Step 3: Cross multiply
    13,348.72x = 20,023.20 × 5,557.52
  4. Step 4: Simplify right side
    13,348.72x = 111,279,334.46
  5. Step 5: Solve for x
    x = 111,279,334.46/13,348.72
  6. Step 6: Final answer
    x = 8,336.33

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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.