Home / 16,218.61-22,381.82-9,504.43

Finding the Fourth Proportional to 16,218.61, 22,381.82 and 9,504.43

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Solution

The fourth proportional to 16,218.61, 22,381.82 and 9,504.43 is: 13,116.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.61 : 22,381.82 = 9,504.43 : x
  2. Step 2: Convert to fraction form
    16,218.61/22,381.82 = 9,504.43/x
  3. Step 3: Cross multiply
    16,218.61x = 22,381.82 × 9,504.43
  4. Step 4: Simplify right side
    16,218.61x = 212,726,441.46
  5. Step 5: Solve for x
    x = 212,726,441.46/16,218.61
  6. Step 6: Final answer
    x = 13,116.19

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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.