Home / 13,738.76-20,590.86-9,850.76

Finding the Fourth Proportional to 13,738.76, 20,590.86 and 9,850.76

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Solution

The fourth proportional to 13,738.76, 20,590.86 and 9,850.76 is: 14,763.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.76 : 20,590.86 = 9,850.76 : x
  2. Step 2: Convert to fraction form
    13,738.76/20,590.86 = 9,850.76/x
  3. Step 3: Cross multiply
    13,738.76x = 20,590.86 × 9,850.76
  4. Step 4: Simplify right side
    13,738.76x = 202,835,620.05
  5. Step 5: Solve for x
    x = 202,835,620.05/13,738.76
  6. Step 6: Final answer
    x = 14,763.75

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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.