Home / 17,078.70-25,601.85-15,329.10

Finding the Fourth Proportional to 17,078.70, 25,601.85 and 15,329.10

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Solution

The fourth proportional to 17,078.70, 25,601.85 and 15,329.10 is: 22,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.70 : 25,601.85 = 15,329.10 : x
  2. Step 2: Convert to fraction form
    17,078.70/25,601.85 = 15,329.10/x
  3. Step 3: Cross multiply
    17,078.70x = 25,601.85 × 15,329.10
  4. Step 4: Simplify right side
    17,078.70x = 392,453,318.84
  5. Step 5: Solve for x
    x = 392,453,318.84/17,078.70
  6. Step 6: Final answer
    x = 22,979.11

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1.5x scale

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.