Home / 17,148.24-25,720.20-6,760.80

Finding the Fourth Proportional to 17,148.24, 25,720.20 and 6,760.80

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Solution

The fourth proportional to 17,148.24, 25,720.20 and 6,760.80 is: 10,140.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,148.24 : 25,720.20 = 6,760.80 : x
  2. Step 2: Convert to fraction form
    17,148.24/25,720.20 = 6,760.80/x
  3. Step 3: Cross multiply
    17,148.24x = 25,720.20 × 6,760.80
  4. Step 4: Simplify right side
    17,148.24x = 173,889,128.16
  5. Step 5: Solve for x
    x = 173,889,128.16/17,148.24
  6. Step 6: Final answer
    x = 10,140.35

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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.