Home / 16,030.92-22,122.56-8,861.33

Finding the Fourth Proportional to 16,030.92, 22,122.56 and 8,861.33

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Solution

The fourth proportional to 16,030.92, 22,122.56 and 8,861.33 is: 12,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,030.92 : 22,122.56 = 8,861.33 : x
  2. Step 2: Convert to fraction form
    16,030.92/22,122.56 = 8,861.33/x
  3. Step 3: Cross multiply
    16,030.92x = 22,122.56 × 8,861.33
  4. Step 4: Simplify right side
    16,030.92x = 196,035,149.69
  5. Step 5: Solve for x
    x = 196,035,149.69/16,030.92
  6. Step 6: Final answer
    x = 12,228.57

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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.