Home / 14,617.43-20,171.97-7,902.99

Finding the Fourth Proportional to 14,617.43, 20,171.97 and 7,902.99

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Solution

The fourth proportional to 14,617.43, 20,171.97 and 7,902.99 is: 10,906.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.43 : 20,171.97 = 7,902.99 : x
  2. Step 2: Convert to fraction form
    14,617.43/20,171.97 = 7,902.99/x
  3. Step 3: Cross multiply
    14,617.43x = 20,171.97 × 7,902.99
  4. Step 4: Simplify right side
    14,617.43x = 159,418,877.19
  5. Step 5: Solve for x
    x = 159,418,877.19/14,617.43
  6. Step 6: Final answer
    x = 10,906.08

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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.