Home / 22,266.36-33,389.15-12,909.06

Finding the Fourth Proportional to 22,266.36, 33,389.15 and 12,909.06

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Solution

The fourth proportional to 22,266.36, 33,389.15 and 12,909.06 is: 19,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,266.36 : 33,389.15 = 12,909.06 : x
  2. Step 2: Convert to fraction form
    22,266.36/33,389.15 = 12,909.06/x
  3. Step 3: Cross multiply
    22,266.36x = 33,389.15 × 12,909.06
  4. Step 4: Simplify right side
    22,266.36x = 431,022,572.97
  5. Step 5: Solve for x
    x = 431,022,572.97/22,266.36
  6. Step 6: Final answer
    x = 19,357.57

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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.