Home / 22,211.55-33,322.86-15,650.55

Finding the Fourth Proportional to 22,211.55, 33,322.86 and 15,650.55

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Solution

The fourth proportional to 22,211.55, 33,322.86 and 15,650.55 is: 23,479.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,211.55 : 33,322.86 = 15,650.55 : x
  2. Step 2: Convert to fraction form
    22,211.55/33,322.86 = 15,650.55/x
  3. Step 3: Cross multiply
    22,211.55x = 33,322.86 × 15,650.55
  4. Step 4: Simplify right side
    22,211.55x = 521,521,086.57
  5. Step 5: Solve for x
    x = 521,521,086.57/22,211.55
  6. Step 6: Final answer
    x = 23,479.73

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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.