Home / 23,443.60-32,367.26-20,921.38

Finding the Fourth Proportional to 23,443.60, 32,367.26 and 20,921.38

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Solution

The fourth proportional to 23,443.60, 32,367.26 and 20,921.38 is: 28,884.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,443.60 : 32,367.26 = 20,921.38 : x
  2. Step 2: Convert to fraction form
    23,443.60/32,367.26 = 20,921.38/x
  3. Step 3: Cross multiply
    23,443.60x = 32,367.26 × 20,921.38
  4. Step 4: Simplify right side
    23,443.60x = 677,167,746.02
  5. Step 5: Solve for x
    x = 677,167,746.02/23,443.60
  6. Step 6: Final answer
    x = 28,884.97

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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.