Home / 14,510.75-21,768.28-4,122.23

Finding the Fourth Proportional to 14,510.75, 21,768.28 and 4,122.23

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Solution

The fourth proportional to 14,510.75, 21,768.28 and 4,122.23 is: 6,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.75 : 21,768.28 = 4,122.23 : x
  2. Step 2: Convert to fraction form
    14,510.75/21,768.28 = 4,122.23/x
  3. Step 3: Cross multiply
    14,510.75x = 21,768.28 × 4,122.23
  4. Step 4: Simplify right side
    14,510.75x = 89,733,737.72
  5. Step 5: Solve for x
    x = 89,733,737.72/14,510.75
  6. Step 6: Final answer
    x = 6,183.95

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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.