Home / 16,987.36-25,462.68-7,132

Finding the Fourth Proportional to 16,987.36, 25,462.68 and 7,132

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Solution

The fourth proportional to 16,987.36, 25,462.68 and 7,132 is: 10,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.36 : 25,462.68 = 7,132 : x
  2. Step 2: Convert to fraction form
    16,987.36/25,462.68 = 7,132/x
  3. Step 3: Cross multiply
    16,987.36x = 25,462.68 × 7,132
  4. Step 4: Simplify right side
    16,987.36x = 181,599,833.76
  5. Step 5: Solve for x
    x = 181,599,833.76/16,987.36
  6. Step 6: Final answer
    x = 10,690.29

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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.