Home / 16,899.12-23,318.73-9,344.43

Finding the Fourth Proportional to 16,899.12, 23,318.73 and 9,344.43

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Solution

The fourth proportional to 16,899.12, 23,318.73 and 9,344.43 is: 12,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.12 : 23,318.73 = 9,344.43 : x
  2. Step 2: Convert to fraction form
    16,899.12/23,318.73 = 9,344.43/x
  3. Step 3: Cross multiply
    16,899.12x = 23,318.73 × 9,344.43
  4. Step 4: Simplify right side
    16,899.12x = 217,900,240.17
  5. Step 5: Solve for x
    x = 217,900,240.17/16,899.12
  6. Step 6: Final answer
    x = 12,894.18

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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.