Home / 16,612.20-22,878.18-16,249.32

Finding the Fourth Proportional to 16,612.20, 22,878.18 and 16,249.32

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Solution

The fourth proportional to 16,612.20, 22,878.18 and 16,249.32 is: 22,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,612.20 : 22,878.18 = 16,249.32 : x
  2. Step 2: Convert to fraction form
    16,612.20/22,878.18 = 16,249.32/x
  3. Step 3: Cross multiply
    16,612.20x = 22,878.18 × 16,249.32
  4. Step 4: Simplify right side
    16,612.20x = 371,754,867.84
  5. Step 5: Solve for x
    x = 371,754,867.84/16,612.20
  6. Step 6: Final answer
    x = 22,378.42

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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.