Home / 22,103.36-33,145.32-11,712.72

Finding the Fourth Proportional to 22,103.36, 33,145.32 and 11,712.72

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Solution

The fourth proportional to 22,103.36, 33,145.32 and 11,712.72 is: 17,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,103.36 : 33,145.32 = 11,712.72 : x
  2. Step 2: Convert to fraction form
    22,103.36/33,145.32 = 11,712.72/x
  3. Step 3: Cross multiply
    22,103.36x = 33,145.32 × 11,712.72
  4. Step 4: Simplify right side
    22,103.36x = 388,221,852.47
  5. Step 5: Solve for x
    x = 388,221,852.47/22,103.36
  6. Step 6: Final answer
    x = 17,563.93

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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.