Home / 13,997.45-19,310.85-8,332.43

Finding the Fourth Proportional to 13,997.45, 19,310.85 and 8,332.43

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Solution

The fourth proportional to 13,997.45, 19,310.85 and 8,332.43 is: 11,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.45 : 19,310.85 = 8,332.43 : x
  2. Step 2: Convert to fraction form
    13,997.45/19,310.85 = 8,332.43/x
  3. Step 3: Cross multiply
    13,997.45x = 19,310.85 × 8,332.43
  4. Step 4: Simplify right side
    13,997.45x = 160,906,209.31
  5. Step 5: Solve for x
    x = 160,906,209.31/13,997.45
  6. Step 6: Final answer
    x = 11,495.40

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Similar ratio
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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.