Home / 23,571.86-32,581.17-20,717.82

Finding the Fourth Proportional to 23,571.86, 32,581.17 and 20,717.82

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Solution

The fourth proportional to 23,571.86, 32,581.17 and 20,717.82 is: 28,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,571.86 : 32,581.17 = 20,717.82 : x
  2. Step 2: Convert to fraction form
    23,571.86/32,581.17 = 20,717.82/x
  3. Step 3: Cross multiply
    23,571.86x = 32,581.17 × 20,717.82
  4. Step 4: Simplify right side
    23,571.86x = 675,010,815.45
  5. Step 5: Solve for x
    x = 675,010,815.45/23,571.86
  6. Step 6: Final answer
    x = 28,636.30

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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.