Home / 20,222.10-27,781.07-16,674.30

Finding the Fourth Proportional to 20,222.10, 27,781.07 and 16,674.30

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Solution

The fourth proportional to 20,222.10, 27,781.07 and 16,674.30 is: 22,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.10 : 27,781.07 = 16,674.30 : x
  2. Step 2: Convert to fraction form
    20,222.10/27,781.07 = 16,674.30/x
  3. Step 3: Cross multiply
    20,222.10x = 27,781.07 × 16,674.30
  4. Step 4: Simplify right side
    20,222.10x = 463,229,895.50
  5. Step 5: Solve for x
    x = 463,229,895.50/20,222.10
  6. Step 6: Final answer
    x = 22,907.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.