Home / 17,170.20-25,736.10-7,307.80

Finding the Fourth Proportional to 17,170.20, 25,736.10 and 7,307.80

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Solution

The fourth proportional to 17,170.20, 25,736.10 and 7,307.80 is: 10,953.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,170.20 : 25,736.10 = 7,307.80 : x
  2. Step 2: Convert to fraction form
    17,170.20/25,736.10 = 7,307.80/x
  3. Step 3: Cross multiply
    17,170.20x = 25,736.10 × 7,307.80
  4. Step 4: Simplify right side
    17,170.20x = 188,074,271.58
  5. Step 5: Solve for x
    x = 188,074,271.58/17,170.20
  6. Step 6: Final answer
    x = 10,953.53

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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.