Home / 17,318.25-25,981.70-5,006.25

Finding the Fourth Proportional to 17,318.25, 25,981.70 and 5,006.25

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Solution

The fourth proportional to 17,318.25, 25,981.70 and 5,006.25 is: 7,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.25 : 25,981.70 = 5,006.25 : x
  2. Step 2: Convert to fraction form
    17,318.25/25,981.70 = 5,006.25/x
  3. Step 3: Cross multiply
    17,318.25x = 25,981.70 × 5,006.25
  4. Step 4: Simplify right side
    17,318.25x = 130,070,860.59
  5. Step 5: Solve for x
    x = 130,070,860.59/17,318.25
  6. Step 6: Final answer
    x = 7,510.62

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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.