Home / 23,540.96-32,478.60-13,330.60

Finding the Fourth Proportional to 23,540.96, 32,478.60 and 13,330.60

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Solution

The fourth proportional to 23,540.96, 32,478.60 and 13,330.60 is: 18,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,540.96 : 32,478.60 = 13,330.60 : x
  2. Step 2: Convert to fraction form
    23,540.96/32,478.60 = 13,330.60/x
  3. Step 3: Cross multiply
    23,540.96x = 32,478.60 × 13,330.60
  4. Step 4: Simplify right side
    23,540.96x = 432,959,143.96
  5. Step 5: Solve for x
    x = 432,959,143.96/23,540.96
  6. Step 6: Final answer
    x = 18,391.74

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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.