Home / 13,422.82-20,043.83-10,962.52

Finding the Fourth Proportional to 13,422.82, 20,043.83 and 10,962.52

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Solution

The fourth proportional to 13,422.82, 20,043.83 and 10,962.52 is: 16,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422.82 : 20,043.83 = 10,962.52 : x
  2. Step 2: Convert to fraction form
    13,422.82/20,043.83 = 10,962.52/x
  3. Step 3: Cross multiply
    13,422.82x = 20,043.83 × 10,962.52
  4. Step 4: Simplify right side
    13,422.82x = 219,730,887.25
  5. Step 5: Solve for x
    x = 219,730,887.25/13,422.82
  6. Step 6: Final answer
    x = 16,369.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.