Home / 16,822.68-23,218.02-9,747.72

Finding the Fourth Proportional to 16,822.68, 23,218.02 and 9,747.72

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Solution

The fourth proportional to 16,822.68, 23,218.02 and 9,747.72 is: 13,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,822.68 : 23,218.02 = 9,747.72 : x
  2. Step 2: Convert to fraction form
    16,822.68/23,218.02 = 9,747.72/x
  3. Step 3: Cross multiply
    16,822.68x = 23,218.02 × 9,747.72
  4. Step 4: Simplify right side
    16,822.68x = 226,322,757.91
  5. Step 5: Solve for x
    x = 226,322,757.91/16,822.68
  6. Step 6: Final answer
    x = 13,453.43

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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.