Home / 14,217.04-19,619.31-8,249.71

Finding the Fourth Proportional to 14,217.04, 19,619.31 and 8,249.71

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Solution

The fourth proportional to 14,217.04, 19,619.31 and 8,249.71 is: 11,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.04 : 19,619.31 = 8,249.71 : x
  2. Step 2: Convert to fraction form
    14,217.04/19,619.31 = 8,249.71/x
  3. Step 3: Cross multiply
    14,217.04x = 19,619.31 × 8,249.71
  4. Step 4: Simplify right side
    14,217.04x = 161,853,617.90
  5. Step 5: Solve for x
    x = 161,853,617.90/14,217.04
  6. Step 6: Final answer
    x = 11,384.48

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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.