Home / 16,722.47-25,083.71-4,243.43

Finding the Fourth Proportional to 16,722.47, 25,083.71 and 4,243.43

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Solution

The fourth proportional to 16,722.47, 25,083.71 and 4,243.43 is: 6,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,722.47 : 25,083.71 = 4,243.43 : x
  2. Step 2: Convert to fraction form
    16,722.47/25,083.71 = 4,243.43/x
  3. Step 3: Cross multiply
    16,722.47x = 25,083.71 × 4,243.43
  4. Step 4: Simplify right side
    16,722.47x = 106,441,024.93
  5. Step 5: Solve for x
    x = 106,441,024.93/16,722.47
  6. Step 6: Final answer
    x = 6,365.15

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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.