Home / 14,469.39-21,712.23-6,678.20

Finding the Fourth Proportional to 14,469.39, 21,712.23 and 6,678.20

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Solution

The fourth proportional to 14,469.39, 21,712.23 and 6,678.20 is: 10,021.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.39 : 21,712.23 = 6,678.20 : x
  2. Step 2: Convert to fraction form
    14,469.39/21,712.23 = 6,678.20/x
  3. Step 3: Cross multiply
    14,469.39x = 21,712.23 × 6,678.20
  4. Step 4: Simplify right side
    14,469.39x = 144,998,668.67
  5. Step 5: Solve for x
    x = 144,998,668.67/14,469.39
  6. Step 6: Final answer
    x = 10,021.06

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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.