Home / 16,717.36-23,070-9,265.36

Finding the Fourth Proportional to 16,717.36, 23,070 and 9,265.36

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Solution

The fourth proportional to 16,717.36, 23,070 and 9,265.36 is: 12,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,717.36 : 23,070 = 9,265.36 : x
  2. Step 2: Convert to fraction form
    16,717.36/23,070 = 9,265.36/x
  3. Step 3: Cross multiply
    16,717.36x = 23,070 × 9,265.36
  4. Step 4: Simplify right side
    16,717.36x = 213,751,855.20
  5. Step 5: Solve for x
    x = 213,751,855.20/16,717.36
  6. Step 6: Final answer
    x = 12,786.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.