Home / 17,178.80-23,708.94-10,105.88

Finding the Fourth Proportional to 17,178.80, 23,708.94 and 10,105.88

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Solution

The fourth proportional to 17,178.80, 23,708.94 and 10,105.88 is: 13,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.80 : 23,708.94 = 10,105.88 : x
  2. Step 2: Convert to fraction form
    17,178.80/23,708.94 = 10,105.88/x
  3. Step 3: Cross multiply
    17,178.80x = 23,708.94 × 10,105.88
  4. Step 4: Simplify right side
    17,178.80x = 239,599,702.57
  5. Step 5: Solve for x
    x = 239,599,702.57/17,178.80
  6. Step 6: Final answer
    x = 13,947.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.