Home / 14,207.43-21,308.58-3,816.75

Finding the Fourth Proportional to 14,207.43, 21,308.58 and 3,816.75

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Solution

The fourth proportional to 14,207.43, 21,308.58 and 3,816.75 is: 5,724.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.43 : 21,308.58 = 3,816.75 : x
  2. Step 2: Convert to fraction form
    14,207.43/21,308.58 = 3,816.75/x
  3. Step 3: Cross multiply
    14,207.43x = 21,308.58 × 3,816.75
  4. Step 4: Simplify right side
    14,207.43x = 81,329,522.72
  5. Step 5: Solve for x
    x = 81,329,522.72/14,207.43
  6. Step 6: Final answer
    x = 5,724.44

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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.