Home / 14,517.78-21,776.76-5,752.68

Finding the Fourth Proportional to 14,517.78, 21,776.76 and 5,752.68

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Solution

The fourth proportional to 14,517.78, 21,776.76 and 5,752.68 is: 8,629.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.78 : 21,776.76 = 5,752.68 : x
  2. Step 2: Convert to fraction form
    14,517.78/21,776.76 = 5,752.68/x
  3. Step 3: Cross multiply
    14,517.78x = 21,776.76 × 5,752.68
  4. Step 4: Simplify right side
    14,517.78x = 125,274,731.72
  5. Step 5: Solve for x
    x = 125,274,731.72/14,517.78
  6. Step 6: Final answer
    x = 8,629.06

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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.