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Finding the Fourth Proportional to 16,643, 22,967.34 and 9,191.48

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Solution

The fourth proportional to 16,643, 22,967.34 and 9,191.48 is: 12,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643 : 22,967.34 = 9,191.48 : x
  2. Step 2: Convert to fraction form
    16,643/22,967.34 = 9,191.48/x
  3. Step 3: Cross multiply
    16,643x = 22,967.34 × 9,191.48
  4. Step 4: Simplify right side
    16,643x = 211,103,846.26
  5. Step 5: Solve for x
    x = 211,103,846.26/16,643
  6. Step 6: Final answer
    x = 12,684.24

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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.