Home / 22,278.54-33,421.38-8,951.51

Finding the Fourth Proportional to 22,278.54, 33,421.38 and 8,951.51

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Solution

The fourth proportional to 22,278.54, 33,421.38 and 8,951.51 is: 13,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.54 : 33,421.38 = 8,951.51 : x
  2. Step 2: Convert to fraction form
    22,278.54/33,421.38 = 8,951.51/x
  3. Step 3: Cross multiply
    22,278.54x = 33,421.38 × 8,951.51
  4. Step 4: Simplify right side
    22,278.54x = 299,171,942.80
  5. Step 5: Solve for x
    x = 299,171,942.80/22,278.54
  6. Step 6: Final answer
    x = 13,428.70

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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.