Home / 22,329.09-30,812.27-12,257.48

Finding the Fourth Proportional to 22,329.09, 30,812.27 and 12,257.48

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Solution

The fourth proportional to 22,329.09, 30,812.27 and 12,257.48 is: 16,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,329.09 : 30,812.27 = 12,257.48 : x
  2. Step 2: Convert to fraction form
    22,329.09/30,812.27 = 12,257.48/x
  3. Step 3: Cross multiply
    22,329.09x = 30,812.27 × 12,257.48
  4. Step 4: Simplify right side
    22,329.09x = 377,680,799.02
  5. Step 5: Solve for x
    x = 377,680,799.02/22,329.09
  6. Step 6: Final answer
    x = 16,914.29

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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.