Home / 22,343.47-30,834.34-12,272.84

Finding the Fourth Proportional to 22,343.47, 30,834.34 and 12,272.84

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Solution

The fourth proportional to 22,343.47, 30,834.34 and 12,272.84 is: 16,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,343.47 : 30,834.34 = 12,272.84 : x
  2. Step 2: Convert to fraction form
    22,343.47/30,834.34 = 12,272.84/x
  3. Step 3: Cross multiply
    22,343.47x = 30,834.34 × 12,272.84
  4. Step 4: Simplify right side
    22,343.47x = 378,424,852.10
  5. Step 5: Solve for x
    x = 378,424,852.10/22,343.47
  6. Step 6: Final answer
    x = 16,936.71

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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.