Home / 16,030.70-22,122.26-8,861.12

Finding the Fourth Proportional to 16,030.70, 22,122.26 and 8,861.12

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Solution

The fourth proportional to 16,030.70, 22,122.26 and 8,861.12 is: 12,228.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,030.70 : 22,122.26 = 8,861.12 : x
  2. Step 2: Convert to fraction form
    16,030.70/22,122.26 = 8,861.12/x
  3. Step 3: Cross multiply
    16,030.70x = 22,122.26 × 8,861.12
  4. Step 4: Simplify right side
    16,030.70x = 196,028,000.53
  5. Step 5: Solve for x
    x = 196,028,000.53/16,030.70
  6. Step 6: Final answer
    x = 12,228.29

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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.