Home / 22,266.54-33,400.81-12,398.38

Finding the Fourth Proportional to 22,266.54, 33,400.81 and 12,398.38

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Solution

The fourth proportional to 22,266.54, 33,400.81 and 12,398.38 is: 18,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,266.54 : 33,400.81 = 12,398.38 : x
  2. Step 2: Convert to fraction form
    22,266.54/33,400.81 = 12,398.38/x
  3. Step 3: Cross multiply
    22,266.54x = 33,400.81 × 12,398.38
  4. Step 4: Simplify right side
    22,266.54x = 414,115,934.69
  5. Step 5: Solve for x
    x = 414,115,934.69/22,266.54
  6. Step 6: Final answer
    x = 18,598.13

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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.