Home / 22,026.87-30,389.84-12,465.80

Finding the Fourth Proportional to 22,026.87, 30,389.84 and 12,465.80

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Solution

The fourth proportional to 22,026.87, 30,389.84 and 12,465.80 is: 17,198.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,026.87 : 30,389.84 = 12,465.80 : x
  2. Step 2: Convert to fraction form
    22,026.87/30,389.84 = 12,465.80/x
  3. Step 3: Cross multiply
    22,026.87x = 30,389.84 × 12,465.80
  4. Step 4: Simplify right side
    22,026.87x = 378,833,724.58
  5. Step 5: Solve for x
    x = 378,833,724.58/22,026.87
  6. Step 6: Final answer
    x = 17,198.71

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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.