Home / 14,062.25-21,126.18-8,222.96

Finding the Fourth Proportional to 14,062.25, 21,126.18 and 8,222.96

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Solution

The fourth proportional to 14,062.25, 21,126.18 and 8,222.96 is: 12,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,062.25 : 21,126.18 = 8,222.96 : x
  2. Step 2: Convert to fraction form
    14,062.25/21,126.18 = 8,222.96/x
  3. Step 3: Cross multiply
    14,062.25x = 21,126.18 × 8,222.96
  4. Step 4: Simplify right side
    14,062.25x = 173,719,627.46
  5. Step 5: Solve for x
    x = 173,719,627.46/14,062.25
  6. Step 6: Final answer
    x = 12,353.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.