Home / 22,418.43-30,940.95-14,783.97

Finding the Fourth Proportional to 22,418.43, 30,940.95 and 14,783.97

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Solution

The fourth proportional to 22,418.43, 30,940.95 and 14,783.97 is: 20,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,418.43 : 30,940.95 = 14,783.97 : x
  2. Step 2: Convert to fraction form
    22,418.43/30,940.95 = 14,783.97/x
  3. Step 3: Cross multiply
    22,418.43x = 30,940.95 × 14,783.97
  4. Step 4: Simplify right side
    22,418.43x = 457,430,076.57
  5. Step 5: Solve for x
    x = 457,430,076.57/22,418.43
  6. Step 6: Final answer
    x = 20,404.20

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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.