Home / 19,222.28-28,833.42-10,512.44

Finding the Fourth Proportional to 19,222.28, 28,833.42 and 10,512.44

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Solution

The fourth proportional to 19,222.28, 28,833.42 and 10,512.44 is: 15,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.28 : 28,833.42 = 10,512.44 : x
  2. Step 2: Convert to fraction form
    19,222.28/28,833.42 = 10,512.44/x
  3. Step 3: Cross multiply
    19,222.28x = 28,833.42 × 10,512.44
  4. Step 4: Simplify right side
    19,222.28x = 303,109,597.74
  5. Step 5: Solve for x
    x = 303,109,597.74/19,222.28
  6. Step 6: Final answer
    x = 15,768.66

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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.