Home / 14,143.83-21,183.45-6,753.49

Finding the Fourth Proportional to 14,143.83, 21,183.45 and 6,753.49

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Solution

The fourth proportional to 14,143.83, 21,183.45 and 6,753.49 is: 10,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.83 : 21,183.45 = 6,753.49 : x
  2. Step 2: Convert to fraction form
    14,143.83/21,183.45 = 6,753.49/x
  3. Step 3: Cross multiply
    14,143.83x = 21,183.45 × 6,753.49
  4. Step 4: Simplify right side
    14,143.83x = 143,062,277.61
  5. Step 5: Solve for x
    x = 143,062,277.61/14,143.83
  6. Step 6: Final answer
    x = 10,114.82

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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.