Home / 22,100.11-30,498.89-12,028.91

Finding the Fourth Proportional to 22,100.11, 30,498.89 and 12,028.91

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Solution

The fourth proportional to 22,100.11, 30,498.89 and 12,028.91 is: 16,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,100.11 : 30,498.89 = 12,028.91 : x
  2. Step 2: Convert to fraction form
    22,100.11/30,498.89 = 12,028.91/x
  3. Step 3: Cross multiply
    22,100.11x = 30,498.89 × 12,028.91
  4. Step 4: Simplify right side
    22,100.11x = 366,868,402.91
  5. Step 5: Solve for x
    x = 366,868,402.91/22,100.11
  6. Step 6: Final answer
    x = 16,600.30

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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.