Home / 14,116.38-21,171.48-5,788.20

Finding the Fourth Proportional to 14,116.38, 21,171.48 and 5,788.20

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Solution

The fourth proportional to 14,116.38, 21,171.48 and 5,788.20 is: 8,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.38 : 21,171.48 = 5,788.20 : x
  2. Step 2: Convert to fraction form
    14,116.38/21,171.48 = 5,788.20/x
  3. Step 3: Cross multiply
    14,116.38x = 21,171.48 × 5,788.20
  4. Step 4: Simplify right side
    14,116.38x = 122,544,760.54
  5. Step 5: Solve for x
    x = 122,544,760.54/14,116.38
  6. Step 6: Final answer
    x = 8,681.03

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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.