Home / 14,054.92-21,101.82-7,134.28

Finding the Fourth Proportional to 14,054.92, 21,101.82 and 7,134.28

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Solution

The fourth proportional to 14,054.92, 21,101.82 and 7,134.28 is: 10,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.92 : 21,101.82 = 7,134.28 : x
  2. Step 2: Convert to fraction form
    14,054.92/21,101.82 = 7,134.28/x
  3. Step 3: Cross multiply
    14,054.92x = 21,101.82 × 7,134.28
  4. Step 4: Simplify right side
    14,054.92x = 150,546,292.39
  5. Step 5: Solve for x
    x = 150,546,292.39/14,054.92
  6. Step 6: Final answer
    x = 10,711.29

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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.