Home / 14,550.14-20,080.90-8,176.74

Finding the Fourth Proportional to 14,550.14, 20,080.90 and 8,176.74

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Solution

The fourth proportional to 14,550.14, 20,080.90 and 8,176.74 is: 11,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.14 : 20,080.90 = 8,176.74 : x
  2. Step 2: Convert to fraction form
    14,550.14/20,080.90 = 8,176.74/x
  3. Step 3: Cross multiply
    14,550.14x = 20,080.90 × 8,176.74
  4. Step 4: Simplify right side
    14,550.14x = 164,196,298.27
  5. Step 5: Solve for x
    x = 164,196,298.27/14,550.14
  6. Step 6: Final answer
    x = 11,284.86

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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.