Home / 14,510.34-21,765.72-4,122.12

Finding the Fourth Proportional to 14,510.34, 21,765.72 and 4,122.12

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Solution

The fourth proportional to 14,510.34, 21,765.72 and 4,122.12 is: 6,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.34 : 21,765.72 = 4,122.12 : x
  2. Step 2: Convert to fraction form
    14,510.34/21,765.72 = 4,122.12/x
  3. Step 3: Cross multiply
    14,510.34x = 21,765.72 × 4,122.12
  4. Step 4: Simplify right side
    14,510.34x = 89,720,909.73
  5. Step 5: Solve for x
    x = 89,720,909.73/14,510.34
  6. Step 6: Final answer
    x = 6,183.24

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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.