Home / 14,052.48-21,078.72-3,665.28

Finding the Fourth Proportional to 14,052.48, 21,078.72 and 3,665.28

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Solution

The fourth proportional to 14,052.48, 21,078.72 and 3,665.28 is: 5,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.48 : 21,078.72 = 3,665.28 : x
  2. Step 2: Convert to fraction form
    14,052.48/21,078.72 = 3,665.28/x
  3. Step 3: Cross multiply
    14,052.48x = 21,078.72 × 3,665.28
  4. Step 4: Simplify right side
    14,052.48x = 77,259,410.84
  5. Step 5: Solve for x
    x = 77,259,410.84/14,052.48
  6. Step 6: Final answer
    x = 5,497.92

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Similar ratio
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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.