Home / 14,212.87-21,319.20-6,794.89

Finding the Fourth Proportional to 14,212.87, 21,319.20 and 6,794.89

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Solution

The fourth proportional to 14,212.87, 21,319.20 and 6,794.89 is: 10,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.87 : 21,319.20 = 6,794.89 : x
  2. Step 2: Convert to fraction form
    14,212.87/21,319.20 = 6,794.89/x
  3. Step 3: Cross multiply
    14,212.87x = 21,319.20 × 6,794.89
  4. Step 4: Simplify right side
    14,212.87x = 144,861,565.59
  5. Step 5: Solve for x
    x = 144,861,565.59/14,212.87
  6. Step 6: Final answer
    x = 10,192.28

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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.