Home / 22,811.84-34,192.20-11,685.68

Finding the Fourth Proportional to 22,811.84, 34,192.20 and 11,685.68

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Solution

The fourth proportional to 22,811.84, 34,192.20 and 11,685.68 is: 17,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,811.84 : 34,192.20 = 11,685.68 : x
  2. Step 2: Convert to fraction form
    22,811.84/34,192.20 = 11,685.68/x
  3. Step 3: Cross multiply
    22,811.84x = 34,192.20 × 11,685.68
  4. Step 4: Simplify right side
    22,811.84x = 399,559,107.70
  5. Step 5: Solve for x
    x = 399,559,107.70/22,811.84
  6. Step 6: Final answer
    x = 17,515.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.