Home / 17,288.20-25,916.46-5,595.40

Finding the Fourth Proportional to 17,288.20, 25,916.46 and 5,595.40

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Solution

The fourth proportional to 17,288.20, 25,916.46 and 5,595.40 is: 8,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,288.20 : 25,916.46 = 5,595.40 : x
  2. Step 2: Convert to fraction form
    17,288.20/25,916.46 = 5,595.40/x
  3. Step 3: Cross multiply
    17,288.20x = 25,916.46 × 5,595.40
  4. Step 4: Simplify right side
    17,288.20x = 145,012,960.28
  5. Step 5: Solve for x
    x = 145,012,960.28/17,288.20
  6. Step 6: Final answer
    x = 8,387.97

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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.