Home / 14,475.87-21,715.38-4,612.86

Finding the Fourth Proportional to 14,475.87, 21,715.38 and 4,612.86

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Solution

The fourth proportional to 14,475.87, 21,715.38 and 4,612.86 is: 6,919.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.87 : 21,715.38 = 4,612.86 : x
  2. Step 2: Convert to fraction form
    14,475.87/21,715.38 = 4,612.86/x
  3. Step 3: Cross multiply
    14,475.87x = 21,715.38 × 4,612.86
  4. Step 4: Simplify right side
    14,475.87x = 100,170,007.79
  5. Step 5: Solve for x
    x = 100,170,007.79/14,475.87
  6. Step 6: Final answer
    x = 6,919.79

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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.