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Finding the Fourth Proportional to 14,656.97, 20,227.98 and 8,368.13

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Solution

The fourth proportional to 14,656.97, 20,227.98 and 8,368.13 is: 11,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,656.97 : 20,227.98 = 8,368.13 : x
  2. Step 2: Convert to fraction form
    14,656.97/20,227.98 = 8,368.13/x
  3. Step 3: Cross multiply
    14,656.97x = 20,227.98 × 8,368.13
  4. Step 4: Simplify right side
    14,656.97x = 169,270,265.14
  5. Step 5: Solve for x
    x = 169,270,265.14/14,656.97
  6. Step 6: Final answer
    x = 11,548.79

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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.