Home / 17,961.90-26,943.11-6,869.15

Finding the Fourth Proportional to 17,961.90, 26,943.11 and 6,869.15

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Solution

The fourth proportional to 17,961.90, 26,943.11 and 6,869.15 is: 10,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.90 : 26,943.11 = 6,869.15 : x
  2. Step 2: Convert to fraction form
    17,961.90/26,943.11 = 6,869.15/x
  3. Step 3: Cross multiply
    17,961.90x = 26,943.11 × 6,869.15
  4. Step 4: Simplify right side
    17,961.90x = 185,076,264.06
  5. Step 5: Solve for x
    x = 185,076,264.06/17,961.90
  6. Step 6: Final answer
    x = 10,303.82

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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.