Home / 22,224.78-30,668.76-12,793.14

Finding the Fourth Proportional to 22,224.78, 30,668.76 and 12,793.14

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Solution

The fourth proportional to 22,224.78, 30,668.76 and 12,793.14 is: 17,653.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,224.78 : 30,668.76 = 12,793.14 : x
  2. Step 2: Convert to fraction form
    22,224.78/30,668.76 = 12,793.14/x
  3. Step 3: Cross multiply
    22,224.78x = 30,668.76 × 12,793.14
  4. Step 4: Simplify right side
    22,224.78x = 392,349,740.31
  5. Step 5: Solve for x
    x = 392,349,740.31/22,224.78
  6. Step 6: Final answer
    x = 17,653.71

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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.