Home / 22,237.54-30,687.68-12,165.80

Finding the Fourth Proportional to 22,237.54, 30,687.68 and 12,165.80

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Solution

The fourth proportional to 22,237.54, 30,687.68 and 12,165.80 is: 16,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,237.54 : 30,687.68 = 12,165.80 : x
  2. Step 2: Convert to fraction form
    22,237.54/30,687.68 = 12,165.80/x
  3. Step 3: Cross multiply
    22,237.54x = 30,687.68 × 12,165.80
  4. Step 4: Simplify right side
    22,237.54x = 373,340,054.32
  5. Step 5: Solve for x
    x = 373,340,054.32/22,237.54
  6. Step 6: Final answer
    x = 16,788.73

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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.