Home / 22,571.92-31,152.20-13,624.48

Finding the Fourth Proportional to 22,571.92, 31,152.20 and 13,624.48

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Solution

The fourth proportional to 22,571.92, 31,152.20 and 13,624.48 is: 18,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,571.92 : 31,152.20 = 13,624.48 : x
  2. Step 2: Convert to fraction form
    22,571.92/31,152.20 = 13,624.48/x
  3. Step 3: Cross multiply
    22,571.92x = 31,152.20 × 13,624.48
  4. Step 4: Simplify right side
    22,571.92x = 424,432,525.86
  5. Step 5: Solve for x
    x = 424,432,525.86/22,571.92
  6. Step 6: Final answer
    x = 18,803.56

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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.