Home / 14,452.62-21,678.59-6,661.43

Finding the Fourth Proportional to 14,452.62, 21,678.59 and 6,661.43

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Solution

The fourth proportional to 14,452.62, 21,678.59 and 6,661.43 is: 9,991.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.62 : 21,678.59 = 6,661.43 : x
  2. Step 2: Convert to fraction form
    14,452.62/21,678.59 = 6,661.43/x
  3. Step 3: Cross multiply
    14,452.62x = 21,678.59 × 6,661.43
  4. Step 4: Simplify right side
    14,452.62x = 144,410,401.46
  5. Step 5: Solve for x
    x = 144,410,401.46/14,452.62
  6. Step 6: Final answer
    x = 9,991.99

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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.