Home / 16,180.80-22,336.39-10,878.69

Finding the Fourth Proportional to 16,180.80, 22,336.39 and 10,878.69

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Solution

The fourth proportional to 16,180.80, 22,336.39 and 10,878.69 is: 15,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,180.80 : 22,336.39 = 10,878.69 : x
  2. Step 2: Convert to fraction form
    16,180.80/22,336.39 = 10,878.69/x
  3. Step 3: Cross multiply
    16,180.80x = 22,336.39 × 10,878.69
  4. Step 4: Simplify right side
    16,180.80x = 242,990,662.53
  5. Step 5: Solve for x
    x = 242,990,662.53/16,180.80
  6. Step 6: Final answer
    x = 15,017.22

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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.