Home / 16,530.55-22,812.02-8,976.74

Finding the Fourth Proportional to 16,530.55, 22,812.02 and 8,976.74

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Solution

The fourth proportional to 16,530.55, 22,812.02 and 8,976.74 is: 12,387.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,530.55 : 22,812.02 = 8,976.74 : x
  2. Step 2: Convert to fraction form
    16,530.55/22,812.02 = 8,976.74/x
  3. Step 3: Cross multiply
    16,530.55x = 22,812.02 × 8,976.74
  4. Step 4: Simplify right side
    16,530.55x = 204,777,458.35
  5. Step 5: Solve for x
    x = 204,777,458.35/16,530.55
  6. Step 6: Final answer
    x = 12,387.82

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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.