Home / 14,351.85-21,528.17-3,963.60

Finding the Fourth Proportional to 14,351.85, 21,528.17 and 3,963.60

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Solution

The fourth proportional to 14,351.85, 21,528.17 and 3,963.60 is: 5,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351.85 : 21,528.17 = 3,963.60 : x
  2. Step 2: Convert to fraction form
    14,351.85/21,528.17 = 3,963.60/x
  3. Step 3: Cross multiply
    14,351.85x = 21,528.17 × 3,963.60
  4. Step 4: Simplify right side
    14,351.85x = 85,329,054.61
  5. Step 5: Solve for x
    x = 85,329,054.61/14,351.85
  6. Step 6: Final answer
    x = 5,945.51

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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.