Home / 22,310.52-30,785.31-13,927.02

Finding the Fourth Proportional to 22,310.52, 30,785.31 and 13,927.02

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Solution

The fourth proportional to 22,310.52, 30,785.31 and 13,927.02 is: 19,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.52 : 30,785.31 = 13,927.02 : x
  2. Step 2: Convert to fraction form
    22,310.52/30,785.31 = 13,927.02/x
  3. Step 3: Cross multiply
    22,310.52x = 30,785.31 × 13,927.02
  4. Step 4: Simplify right side
    22,310.52x = 428,747,628.08
  5. Step 5: Solve for x
    x = 428,747,628.08/22,310.52
  6. Step 6: Final answer
    x = 19,217.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.