Home / 16,974.12-23,425.56-9,899.04

Finding the Fourth Proportional to 16,974.12, 23,425.56 and 9,899.04

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Solution

The fourth proportional to 16,974.12, 23,425.56 and 9,899.04 is: 13,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.12 : 23,425.56 = 9,899.04 : x
  2. Step 2: Convert to fraction form
    16,974.12/23,425.56 = 9,899.04/x
  3. Step 3: Cross multiply
    16,974.12x = 23,425.56 × 9,899.04
  4. Step 4: Simplify right side
    16,974.12x = 231,890,555.46
  5. Step 5: Solve for x
    x = 231,890,555.46/16,974.12
  6. Step 6: Final answer
    x = 13,661.42

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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.