Home / 17,017.65-25,529.10-5,329.75

Finding the Fourth Proportional to 17,017.65, 25,529.10 and 5,329.75

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Solution

The fourth proportional to 17,017.65, 25,529.10 and 5,329.75 is: 7,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,017.65 : 25,529.10 = 5,329.75 : x
  2. Step 2: Convert to fraction form
    17,017.65/25,529.10 = 5,329.75/x
  3. Step 3: Cross multiply
    17,017.65x = 25,529.10 × 5,329.75
  4. Step 4: Simplify right side
    17,017.65x = 136,063,720.73
  5. Step 5: Solve for x
    x = 136,063,720.73/17,017.65
  6. Step 6: Final answer
    x = 7,995.45

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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.