Home / 16,530.08-22,811.67-8,976.47

Finding the Fourth Proportional to 16,530.08, 22,811.67 and 8,976.47

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Solution

The fourth proportional to 16,530.08, 22,811.67 and 8,976.47 is: 12,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,530.08 : 22,811.67 = 8,976.47 : x
  2. Step 2: Convert to fraction form
    16,530.08/22,811.67 = 8,976.47/x
  3. Step 3: Cross multiply
    16,530.08x = 22,811.67 × 8,976.47
  4. Step 4: Simplify right side
    16,530.08x = 204,768,375.07
  5. Step 5: Solve for x
    x = 204,768,375.07/16,530.08
  6. Step 6: Final answer
    x = 12,387.62

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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.