Home / 22,439.76-33,669.55-11,907.22

Finding the Fourth Proportional to 22,439.76, 33,669.55 and 11,907.22

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Solution

The fourth proportional to 22,439.76, 33,669.55 and 11,907.22 is: 17,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439.76 : 33,669.55 = 11,907.22 : x
  2. Step 2: Convert to fraction form
    22,439.76/33,669.55 = 11,907.22/x
  3. Step 3: Cross multiply
    22,439.76x = 33,669.55 × 11,907.22
  4. Step 4: Simplify right side
    22,439.76x = 400,910,663.99
  5. Step 5: Solve for x
    x = 400,910,663.99/22,439.76
  6. Step 6: Final answer
    x = 17,866.09

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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.