Home / 16,454.44-22,705.86-9,379.72

Finding the Fourth Proportional to 16,454.44, 22,705.86 and 9,379.72

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Solution

The fourth proportional to 16,454.44, 22,705.86 and 9,379.72 is: 12,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,454.44 : 22,705.86 = 9,379.72 : x
  2. Step 2: Convert to fraction form
    16,454.44/22,705.86 = 9,379.72/x
  3. Step 3: Cross multiply
    16,454.44x = 22,705.86 × 9,379.72
  4. Step 4: Simplify right side
    16,454.44x = 212,974,609.16
  5. Step 5: Solve for x
    x = 212,974,609.16/16,454.44
  6. Step 6: Final answer
    x = 12,943.29

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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.