Home / 22,334.28-30,790.17-18,286.98

Finding the Fourth Proportional to 22,334.28, 30,790.17 and 18,286.98

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Solution

The fourth proportional to 22,334.28, 30,790.17 and 18,286.98 is: 25,210.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,334.28 : 30,790.17 = 18,286.98 : x
  2. Step 2: Convert to fraction form
    22,334.28/30,790.17 = 18,286.98/x
  3. Step 3: Cross multiply
    22,334.28x = 30,790.17 × 18,286.98
  4. Step 4: Simplify right side
    22,334.28x = 563,059,222.99
  5. Step 5: Solve for x
    x = 563,059,222.99/22,334.28
  6. Step 6: Final answer
    x = 25,210.54

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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.