Home / 23,213.18-32,010.54-20,652.86

Finding the Fourth Proportional to 23,213.18, 32,010.54 and 20,652.86

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Solution

The fourth proportional to 23,213.18, 32,010.54 and 20,652.86 is: 28,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,213.18 : 32,010.54 = 20,652.86 : x
  2. Step 2: Convert to fraction form
    23,213.18/32,010.54 = 20,652.86/x
  3. Step 3: Cross multiply
    23,213.18x = 32,010.54 × 20,652.86
  4. Step 4: Simplify right side
    23,213.18x = 661,109,201.14
  5. Step 5: Solve for x
    x = 661,109,201.14/23,213.18
  6. Step 6: Final answer
    x = 28,479.91

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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.