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Finding the Fourth Proportional to 16,958.61, 23,398.11 and 13,362.42

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Solution

The fourth proportional to 16,958.61, 23,398.11 and 13,362.42 is: 18,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,958.61 : 23,398.11 = 13,362.42 : x
  2. Step 2: Convert to fraction form
    16,958.61/23,398.11 = 13,362.42/x
  3. Step 3: Cross multiply
    16,958.61x = 23,398.11 × 13,362.42
  4. Step 4: Simplify right side
    16,958.61x = 312,655,510.88
  5. Step 5: Solve for x
    x = 312,655,510.88/16,958.61
  6. Step 6: Final answer
    x = 18,436.38

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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.