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Finding the Fourth Proportional to 15,985.00, 22,057.49 and 9,268.17

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Solution

The fourth proportional to 15,985.00, 22,057.49 and 9,268.17 is: 12,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.00 : 22,057.49 = 9,268.17 : x
  2. Step 2: Convert to fraction form
    15,985.00/22,057.49 = 9,268.17/x
  3. Step 3: Cross multiply
    15,985.00x = 22,057.49 × 9,268.17
  4. Step 4: Simplify right side
    15,985.00x = 204,432,605.55
  5. Step 5: Solve for x
    x = 204,432,605.55/15,985.00
  6. Step 6: Final answer
    x = 12,789.03

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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.