Home / 23,517.86-35,221.91-20,423.25

Finding the Fourth Proportional to 23,517.86, 35,221.91 and 20,423.25

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Solution

The fourth proportional to 23,517.86, 35,221.91 and 20,423.25 is: 30,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,517.86 : 35,221.91 = 20,423.25 : x
  2. Step 2: Convert to fraction form
    23,517.86/35,221.91 = 20,423.25/x
  3. Step 3: Cross multiply
    23,517.86x = 35,221.91 × 20,423.25
  4. Step 4: Simplify right side
    23,517.86x = 719,345,771.29
  5. Step 5: Solve for x
    x = 719,345,771.29/23,517.86
  6. Step 6: Final answer
    x = 30,587.22

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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.