Home / 23,275.38-32,118.88-13,203.60

Finding the Fourth Proportional to 23,275.38, 32,118.88 and 13,203.60

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Solution

The fourth proportional to 23,275.38, 32,118.88 and 13,203.60 is: 18,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,275.38 : 32,118.88 = 13,203.60 : x
  2. Step 2: Convert to fraction form
    23,275.38/32,118.88 = 13,203.60/x
  3. Step 3: Cross multiply
    23,275.38x = 32,118.88 × 13,203.60
  4. Step 4: Simplify right side
    23,275.38x = 424,084,843.97
  5. Step 5: Solve for x
    x = 424,084,843.97/23,275.38
  6. Step 6: Final answer
    x = 18,220.32

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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.