Home / 23,203.13-32,016.60-13,128.35

Finding the Fourth Proportional to 23,203.13, 32,016.60 and 13,128.35

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Solution

The fourth proportional to 23,203.13, 32,016.60 and 13,128.35 is: 18,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,203.13 : 32,016.60 = 13,128.35 : x
  2. Step 2: Convert to fraction form
    23,203.13/32,016.60 = 13,128.35/x
  3. Step 3: Cross multiply
    23,203.13x = 32,016.60 × 13,128.35
  4. Step 4: Simplify right side
    23,203.13x = 420,324,970.53
  5. Step 5: Solve for x
    x = 420,324,970.53/23,203.13
  6. Step 6: Final answer
    x = 18,115.02

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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.