Home / 17,973.89-26,963.80-8,112.95

Finding the Fourth Proportional to 17,973.89, 26,963.80 and 8,112.95

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Solution

The fourth proportional to 17,973.89, 26,963.80 and 8,112.95 is: 12,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,973.89 : 26,963.80 = 8,112.95 : x
  2. Step 2: Convert to fraction form
    17,973.89/26,963.80 = 8,112.95/x
  3. Step 3: Cross multiply
    17,973.89x = 26,963.80 × 8,112.95
  4. Step 4: Simplify right side
    17,973.89x = 218,755,914.08
  5. Step 5: Solve for x
    x = 218,755,914.08/17,973.89
  6. Step 6: Final answer
    x = 12,170.76

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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.