Home / 17,807.44-26,720.16-12,265.36

Finding the Fourth Proportional to 17,807.44, 26,720.16 and 12,265.36

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Solution

The fourth proportional to 17,807.44, 26,720.16 and 12,265.36 is: 18,404.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,807.44 : 26,720.16 = 12,265.36 : x
  2. Step 2: Convert to fraction form
    17,807.44/26,720.16 = 12,265.36/x
  3. Step 3: Cross multiply
    17,807.44x = 26,720.16 × 12,265.36
  4. Step 4: Simplify right side
    17,807.44x = 327,732,381.66
  5. Step 5: Solve for x
    x = 327,732,381.66/17,807.44
  6. Step 6: Final answer
    x = 18,404.24

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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.