Home / 22,244.22-30,697.11-12,172.75

Finding the Fourth Proportional to 22,244.22, 30,697.11 and 12,172.75

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Solution

The fourth proportional to 22,244.22, 30,697.11 and 12,172.75 is: 16,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,244.22 : 30,697.11 = 12,172.75 : x
  2. Step 2: Convert to fraction form
    22,244.22/30,697.11 = 12,172.75/x
  3. Step 3: Cross multiply
    22,244.22x = 30,697.11 × 12,172.75
  4. Step 4: Simplify right side
    22,244.22x = 373,668,169.01
  5. Step 5: Solve for x
    x = 373,668,169.01/22,244.22
  6. Step 6: Final answer
    x = 16,798.44

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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.