Home / 22,215.33-33,292.94-11,129.99

Finding the Fourth Proportional to 22,215.33, 33,292.94 and 11,129.99

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Solution

The fourth proportional to 22,215.33, 33,292.94 and 11,129.99 is: 16,679.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,215.33 : 33,292.94 = 11,129.99 : x
  2. Step 2: Convert to fraction form
    22,215.33/33,292.94 = 11,129.99/x
  3. Step 3: Cross multiply
    22,215.33x = 33,292.94 × 11,129.99
  4. Step 4: Simplify right side
    22,215.33x = 370,549,867.16
  5. Step 5: Solve for x
    x = 370,549,867.16/22,215.33
  6. Step 6: Final answer
    x = 16,679.92

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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.