Home / 14,061.75-21,125.42-8,222.46

Finding the Fourth Proportional to 14,061.75, 21,125.42 and 8,222.46

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Solution

The fourth proportional to 14,061.75, 21,125.42 and 8,222.46 is: 12,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,061.75 : 21,125.42 = 8,222.46 : x
  2. Step 2: Convert to fraction form
    14,061.75/21,125.42 = 8,222.46/x
  3. Step 3: Cross multiply
    14,061.75x = 21,125.42 × 8,222.46
  4. Step 4: Simplify right side
    14,061.75x = 173,702,920.93
  5. Step 5: Solve for x
    x = 173,702,920.93/14,061.75
  6. Step 6: Final answer
    x = 12,352.87

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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.