Home / 17,320.96-25,984-5,007.36

Finding the Fourth Proportional to 17,320.96, 25,984 and 5,007.36

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Solution

The fourth proportional to 17,320.96, 25,984 and 5,007.36 is: 7,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,320.96 : 25,984 = 5,007.36 : x
  2. Step 2: Convert to fraction form
    17,320.96/25,984 = 5,007.36/x
  3. Step 3: Cross multiply
    17,320.96x = 25,984 × 5,007.36
  4. Step 4: Simplify right side
    17,320.96x = 130,111,242.24
  5. Step 5: Solve for x
    x = 130,111,242.24/17,320.96
  6. Step 6: Final answer
    x = 7,511.78

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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.