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Finding the Fourth Proportional to 16,243.94, 22,410.83 and 9,867.93

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Solution

The fourth proportional to 16,243.94, 22,410.83 and 9,867.93 is: 13,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,243.94 : 22,410.83 = 9,867.93 : x
  2. Step 2: Convert to fraction form
    16,243.94/22,410.83 = 9,867.93/x
  3. Step 3: Cross multiply
    16,243.94x = 22,410.83 × 9,867.93
  4. Step 4: Simplify right side
    16,243.94x = 221,148,386.80
  5. Step 5: Solve for x
    x = 221,148,386.80/16,243.94
  6. Step 6: Final answer
    x = 13,614.21

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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.