Home / 27,175.10-40,766.70-9,643.46

Finding the Fourth Proportional to 27,175.10, 40,766.70 and 9,643.46

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Solution

The fourth proportional to 27,175.10, 40,766.70 and 9,643.46 is: 14,466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,175.10 : 40,766.70 = 9,643.46 : x
  2. Step 2: Convert to fraction form
    27,175.10/40,766.70 = 9,643.46/x
  3. Step 3: Cross multiply
    27,175.10x = 40,766.70 × 9,643.46
  4. Step 4: Simplify right side
    27,175.10x = 393,132,040.78
  5. Step 5: Solve for x
    x = 393,132,040.78/27,175.10
  6. Step 6: Final answer
    x = 14,466.63

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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.