Home / 13,734.76-20,590.62-5,522.28

Finding the Fourth Proportional to 13,734.76, 20,590.62 and 5,522.28

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Solution

The fourth proportional to 13,734.76, 20,590.62 and 5,522.28 is: 8,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.76 : 20,590.62 = 5,522.28 : x
  2. Step 2: Convert to fraction form
    13,734.76/20,590.62 = 5,522.28/x
  3. Step 3: Cross multiply
    13,734.76x = 20,590.62 × 5,522.28
  4. Step 4: Simplify right side
    13,734.76x = 113,707,169.01
  5. Step 5: Solve for x
    x = 113,707,169.01/13,734.76
  6. Step 6: Final answer
    x = 8,278.79

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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.