Home / 16,211.81-22,372.30-8,759.81

Finding the Fourth Proportional to 16,211.81, 22,372.30 and 8,759.81

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Solution

The fourth proportional to 16,211.81, 22,372.30 and 8,759.81 is: 12,088.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.81 : 22,372.30 = 8,759.81 : x
  2. Step 2: Convert to fraction form
    16,211.81/22,372.30 = 8,759.81/x
  3. Step 3: Cross multiply
    16,211.81x = 22,372.30 × 8,759.81
  4. Step 4: Simplify right side
    16,211.81x = 195,977,164.14
  5. Step 5: Solve for x
    x = 195,977,164.14/16,211.81
  6. Step 6: Final answer
    x = 12,088.54

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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.