Home / 17,162.20-25,745.70-7,301.40

Finding the Fourth Proportional to 17,162.20, 25,745.70 and 7,301.40

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Solution

The fourth proportional to 17,162.20, 25,745.70 and 7,301.40 is: 10,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,162.20 : 25,745.70 = 7,301.40 : x
  2. Step 2: Convert to fraction form
    17,162.20/25,745.70 = 7,301.40/x
  3. Step 3: Cross multiply
    17,162.20x = 25,745.70 × 7,301.40
  4. Step 4: Simplify right side
    17,162.20x = 187,979,653.98
  5. Step 5: Solve for x
    x = 187,979,653.98/17,162.20
  6. Step 6: Final answer
    x = 10,953.12

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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.