Home / 22,266.74-33,389.72-12,909.44

Finding the Fourth Proportional to 22,266.74, 33,389.72 and 12,909.44

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Solution

The fourth proportional to 22,266.74, 33,389.72 and 12,909.44 is: 19,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,266.74 : 33,389.72 = 12,909.44 : x
  2. Step 2: Convert to fraction form
    22,266.74/33,389.72 = 12,909.44/x
  3. Step 3: Cross multiply
    22,266.74x = 33,389.72 × 12,909.44
  4. Step 4: Simplify right side
    22,266.74x = 431,042,355.46
  5. Step 5: Solve for x
    x = 431,042,355.46/22,266.74
  6. Step 6: Final answer
    x = 19,358.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.