Home / 23,612.64-35,331.60-20,788.12

Finding the Fourth Proportional to 23,612.64, 35,331.60 and 20,788.12

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Solution

The fourth proportional to 23,612.64, 35,331.60 and 20,788.12 is: 31,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,612.64 : 35,331.60 = 20,788.12 : x
  2. Step 2: Convert to fraction form
    23,612.64/35,331.60 = 20,788.12/x
  3. Step 3: Cross multiply
    23,612.64x = 35,331.60 × 20,788.12
  4. Step 4: Simplify right side
    23,612.64x = 734,477,540.59
  5. Step 5: Solve for x
    x = 734,477,540.59/23,612.64
  6. Step 6: Final answer
    x = 31,105.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.