Home / 16,976.67-25,399.40-11,403.47

Finding the Fourth Proportional to 16,976.67, 25,399.40 and 11,403.47

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Solution

The fourth proportional to 16,976.67, 25,399.40 and 11,403.47 is: 17,061.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.67 : 25,399.40 = 11,403.47 : x
  2. Step 2: Convert to fraction form
    16,976.67/25,399.40 = 11,403.47/x
  3. Step 3: Cross multiply
    16,976.67x = 25,399.40 × 11,403.47
  4. Step 4: Simplify right side
    16,976.67x = 289,641,111.90
  5. Step 5: Solve for x
    x = 289,641,111.90/16,976.67
  6. Step 6: Final answer
    x = 17,061.13

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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.