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Finding the Fourth Proportional to 15,963.56, 22,036.56 and 9,993.96

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Solution

The fourth proportional to 15,963.56, 22,036.56 and 9,993.96 is: 13,795.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963.56 : 22,036.56 = 9,993.96 : x
  2. Step 2: Convert to fraction form
    15,963.56/22,036.56 = 9,993.96/x
  3. Step 3: Cross multiply
    15,963.56x = 22,036.56 × 9,993.96
  4. Step 4: Simplify right side
    15,963.56x = 220,232,499.18
  5. Step 5: Solve for x
    x = 220,232,499.18/15,963.56
  6. Step 6: Final answer
    x = 13,795.95

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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.