Home / 16,928.38-25,382.85-9,021.16

Finding the Fourth Proportional to 16,928.38, 25,382.85 and 9,021.16

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Solution

The fourth proportional to 16,928.38, 25,382.85 and 9,021.16 is: 13,526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,928.38 : 25,382.85 = 9,021.16 : x
  2. Step 2: Convert to fraction form
    16,928.38/25,382.85 = 9,021.16/x
  3. Step 3: Cross multiply
    16,928.38x = 25,382.85 × 9,021.16
  4. Step 4: Simplify right side
    16,928.38x = 228,982,751.11
  5. Step 5: Solve for x
    x = 228,982,751.11/16,928.38
  6. Step 6: Final answer
    x = 13,526.56

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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.