Home / 22,228.96-33,326.13-11,129.93

Finding the Fourth Proportional to 22,228.96, 33,326.13 and 11,129.93

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Solution

The fourth proportional to 22,228.96, 33,326.13 and 11,129.93 is: 16,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.96 : 33,326.13 = 11,129.93 : x
  2. Step 2: Convert to fraction form
    22,228.96/33,326.13 = 11,129.93/x
  3. Step 3: Cross multiply
    22,228.96x = 33,326.13 × 11,129.93
  4. Step 4: Simplify right side
    22,228.96x = 370,917,494.07
  5. Step 5: Solve for x
    x = 370,917,494.07/22,228.96
  6. Step 6: Final answer
    x = 16,686.23

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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.