Home / 14,699.08-20,286.38-8,326.10

Finding the Fourth Proportional to 14,699.08, 20,286.38 and 8,326.10

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Solution

The fourth proportional to 14,699.08, 20,286.38 and 8,326.10 is: 11,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.08 : 20,286.38 = 8,326.10 : x
  2. Step 2: Convert to fraction form
    14,699.08/20,286.38 = 8,326.10/x
  3. Step 3: Cross multiply
    14,699.08x = 20,286.38 × 8,326.10
  4. Step 4: Simplify right side
    14,699.08x = 168,906,500.05
  5. Step 5: Solve for x
    x = 168,906,500.05/14,699.08
  6. Step 6: Final answer
    x = 11,490.96

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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.