Home / 22,091.85-30,486.88-12,020.37

Finding the Fourth Proportional to 22,091.85, 30,486.88 and 12,020.37

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Solution

The fourth proportional to 22,091.85, 30,486.88 and 12,020.37 is: 16,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091.85 : 30,486.88 = 12,020.37 : x
  2. Step 2: Convert to fraction form
    22,091.85/30,486.88 = 12,020.37/x
  3. Step 3: Cross multiply
    22,091.85x = 30,486.88 × 12,020.37
  4. Step 4: Simplify right side
    22,091.85x = 366,463,577.75
  5. Step 5: Solve for x
    x = 366,463,577.75/22,091.85
  6. Step 6: Final answer
    x = 16,588.18

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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.