Home / 14,104.13-21,149.78-6,717.51

Finding the Fourth Proportional to 14,104.13, 21,149.78 and 6,717.51

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Solution

The fourth proportional to 14,104.13, 21,149.78 and 6,717.51 is: 10,073.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.13 : 21,149.78 = 6,717.51 : x
  2. Step 2: Convert to fraction form
    14,104.13/21,149.78 = 6,717.51/x
  3. Step 3: Cross multiply
    14,104.13x = 21,149.78 × 6,717.51
  4. Step 4: Simplify right side
    14,104.13x = 142,073,825.06
  5. Step 5: Solve for x
    x = 142,073,825.06/14,104.13
  6. Step 6: Final answer
    x = 10,073.21

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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.