Home / 22,725.25-31,360.54-13,166.44

Finding the Fourth Proportional to 22,725.25, 31,360.54 and 13,166.44

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Solution

The fourth proportional to 22,725.25, 31,360.54 and 13,166.44 is: 18,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.25 : 31,360.54 = 13,166.44 : x
  2. Step 2: Convert to fraction form
    22,725.25/31,360.54 = 13,166.44/x
  3. Step 3: Cross multiply
    22,725.25x = 31,360.54 × 13,166.44
  4. Step 4: Simplify right side
    22,725.25x = 412,906,445.64
  5. Step 5: Solve for x
    x = 412,906,445.64/22,725.25
  6. Step 6: Final answer
    x = 18,169.50

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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.