Home / 16,228.29-22,379.51-9,855.92

Finding the Fourth Proportional to 16,228.29, 22,379.51 and 9,855.92

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Solution

The fourth proportional to 16,228.29, 22,379.51 and 9,855.92 is: 13,591.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,228.29 : 22,379.51 = 9,855.92 : x
  2. Step 2: Convert to fraction form
    16,228.29/22,379.51 = 9,855.92/x
  3. Step 3: Cross multiply
    16,228.29x = 22,379.51 × 9,855.92
  4. Step 4: Simplify right side
    16,228.29x = 220,570,740.79
  5. Step 5: Solve for x
    x = 220,570,740.79/16,228.29
  6. Step 6: Final answer
    x = 13,591.74

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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.