Home / 14,738.22-20,338.35-8,277.68

Finding the Fourth Proportional to 14,738.22, 20,338.35 and 8,277.68

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Solution

The fourth proportional to 14,738.22, 20,338.35 and 8,277.68 is: 11,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.22 : 20,338.35 = 8,277.68 : x
  2. Step 2: Convert to fraction form
    14,738.22/20,338.35 = 8,277.68/x
  3. Step 3: Cross multiply
    14,738.22x = 20,338.35 × 8,277.68
  4. Step 4: Simplify right side
    14,738.22x = 168,354,251.34
  5. Step 5: Solve for x
    x = 168,354,251.34/14,738.22
  6. Step 6: Final answer
    x = 11,422.97

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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.