Home / 21,633.08-29,853.77-12,202.25

Finding the Fourth Proportional to 21,633.08, 29,853.77 and 12,202.25

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Solution

The fourth proportional to 21,633.08, 29,853.77 and 12,202.25 is: 16,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633.08 : 29,853.77 = 12,202.25 : x
  2. Step 2: Convert to fraction form
    21,633.08/29,853.77 = 12,202.25/x
  3. Step 3: Cross multiply
    21,633.08x = 29,853.77 × 12,202.25
  4. Step 4: Simplify right side
    21,633.08x = 364,282,954.70
  5. Step 5: Solve for x
    x = 364,282,954.70/21,633.08
  6. Step 6: Final answer
    x = 16,839.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.