Home / 19,383.16-29,079.78-5,532.16

Finding the Fourth Proportional to 19,383.16, 29,079.78 and 5,532.16

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Solution

The fourth proportional to 19,383.16, 29,079.78 and 5,532.16 is: 8,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.16 : 29,079.78 = 5,532.16 : x
  2. Step 2: Convert to fraction form
    19,383.16/29,079.78 = 5,532.16/x
  3. Step 3: Cross multiply
    19,383.16x = 29,079.78 × 5,532.16
  4. Step 4: Simplify right side
    19,383.16x = 160,873,995.72
  5. Step 5: Solve for x
    x = 160,873,995.72/19,383.16
  6. Step 6: Final answer
    x = 8,299.68

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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.