Home / 16,318.13-22,519.15-8,866.13

Finding the Fourth Proportional to 16,318.13, 22,519.15 and 8,866.13

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Solution

The fourth proportional to 16,318.13, 22,519.15 and 8,866.13 is: 12,235.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,318.13 : 22,519.15 = 8,866.13 : x
  2. Step 2: Convert to fraction form
    16,318.13/22,519.15 = 8,866.13/x
  3. Step 3: Cross multiply
    16,318.13x = 22,519.15 × 8,866.13
  4. Step 4: Simplify right side
    16,318.13x = 199,657,576.63
  5. Step 5: Solve for x
    x = 199,657,576.63/16,318.13
  6. Step 6: Final answer
    x = 12,235.33

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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.