Home / 17,011.26-25,521.48-12,112.20

Finding the Fourth Proportional to 17,011.26, 25,521.48 and 12,112.20

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Solution

The fourth proportional to 17,011.26, 25,521.48 and 12,112.20 is: 18,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,011.26 : 25,521.48 = 12,112.20 : x
  2. Step 2: Convert to fraction form
    17,011.26/25,521.48 = 12,112.20/x
  3. Step 3: Cross multiply
    17,011.26x = 25,521.48 × 12,112.20
  4. Step 4: Simplify right side
    17,011.26x = 309,121,270.06
  5. Step 5: Solve for x
    x = 309,121,270.06/17,011.26
  6. Step 6: Final answer
    x = 18,171.57

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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.