Home / 17,112.20-25,664.70-7,251.80

Finding the Fourth Proportional to 17,112.20, 25,664.70 and 7,251.80

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Solution

The fourth proportional to 17,112.20, 25,664.70 and 7,251.80 is: 10,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.20 : 25,664.70 = 7,251.80 : x
  2. Step 2: Convert to fraction form
    17,112.20/25,664.70 = 7,251.80/x
  3. Step 3: Cross multiply
    17,112.20x = 25,664.70 × 7,251.80
  4. Step 4: Simplify right side
    17,112.20x = 186,115,271.46
  5. Step 5: Solve for x
    x = 186,115,271.46/17,112.20
  6. Step 6: Final answer
    x = 10,876.17

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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.