Home / 22,208.25-33,328.76-10,521.48

Finding the Fourth Proportional to 22,208.25, 33,328.76 and 10,521.48

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Solution

The fourth proportional to 22,208.25, 33,328.76 and 10,521.48 is: 15,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.25 : 33,328.76 = 10,521.48 : x
  2. Step 2: Convert to fraction form
    22,208.25/33,328.76 = 10,521.48/x
  3. Step 3: Cross multiply
    22,208.25x = 33,328.76 × 10,521.48
  4. Step 4: Simplify right side
    22,208.25x = 350,667,829.16
  5. Step 5: Solve for x
    x = 350,667,829.16/22,208.25
  6. Step 6: Final answer
    x = 15,789.98

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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.