Home / 22,227.11-30,673.95-12,666.80

Finding the Fourth Proportional to 22,227.11, 30,673.95 and 12,666.80

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Solution

The fourth proportional to 22,227.11, 30,673.95 and 12,666.80 is: 17,480.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,227.11 : 30,673.95 = 12,666.80 : x
  2. Step 2: Convert to fraction form
    22,227.11/30,673.95 = 12,666.80/x
  3. Step 3: Cross multiply
    22,227.11x = 30,673.95 × 12,666.80
  4. Step 4: Simplify right side
    22,227.11x = 388,540,636.49
  5. Step 5: Solve for x
    x = 388,540,636.49/22,227.11
  6. Step 6: Final answer
    x = 17,480.48

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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.