Home / 14,771.52-20,384.19-8,800.09

Finding the Fourth Proportional to 14,771.52, 20,384.19 and 8,800.09

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Solution

The fourth proportional to 14,771.52, 20,384.19 and 8,800.09 is: 12,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.52 : 20,384.19 = 8,800.09 : x
  2. Step 2: Convert to fraction form
    14,771.52/20,384.19 = 8,800.09/x
  3. Step 3: Cross multiply
    14,771.52x = 20,384.19 × 8,800.09
  4. Step 4: Simplify right side
    14,771.52x = 179,382,655.62
  5. Step 5: Solve for x
    x = 179,382,655.62/14,771.52
  6. Step 6: Final answer
    x = 12,143.82

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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.