Home / 22,788.30-34,122.78-18,322.23

Finding the Fourth Proportional to 22,788.30, 34,122.78 and 18,322.23

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Solution

The fourth proportional to 22,788.30, 34,122.78 and 18,322.23 is: 27,435.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,788.30 : 34,122.78 = 18,322.23 : x
  2. Step 2: Convert to fraction form
    22,788.30/34,122.78 = 18,322.23/x
  3. Step 3: Cross multiply
    22,788.30x = 34,122.78 × 18,322.23
  4. Step 4: Simplify right side
    22,788.30x = 625,205,423.40
  5. Step 5: Solve for x
    x = 625,205,423.40/22,788.30
  6. Step 6: Final answer
    x = 27,435.37

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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.