Home / 22,195.24-30,636.26-12,770.08

Finding the Fourth Proportional to 22,195.24, 30,636.26 and 12,770.08

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Solution

The fourth proportional to 22,195.24, 30,636.26 and 12,770.08 is: 17,626.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.24 : 30,636.26 = 12,770.08 : x
  2. Step 2: Convert to fraction form
    22,195.24/30,636.26 = 12,770.08/x
  3. Step 3: Cross multiply
    22,195.24x = 30,636.26 × 12,770.08
  4. Step 4: Simplify right side
    22,195.24x = 391,227,491.10
  5. Step 5: Solve for x
    x = 391,227,491.10/22,195.24
  6. Step 6: Final answer
    x = 17,626.64

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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.