Home / 14,546.14-21,820.91-5,187.49

Finding the Fourth Proportional to 14,546.14, 21,820.91 and 5,187.49

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Solution

The fourth proportional to 14,546.14, 21,820.91 and 5,187.49 is: 7,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.14 : 21,820.91 = 5,187.49 : x
  2. Step 2: Convert to fraction form
    14,546.14/21,820.91 = 5,187.49/x
  3. Step 3: Cross multiply
    14,546.14x = 21,820.91 × 5,187.49
  4. Step 4: Simplify right side
    14,546.14x = 113,195,679.64
  5. Step 5: Solve for x
    x = 113,195,679.64/14,546.14
  6. Step 6: Final answer
    x = 7,781.84

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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.