Home / 17,337.16-23,919.06-15,661

Finding the Fourth Proportional to 17,337.16, 23,919.06 and 15,661

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Solution

The fourth proportional to 17,337.16, 23,919.06 and 15,661 is: 21,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,337.16 : 23,919.06 = 15,661 : x
  2. Step 2: Convert to fraction form
    17,337.16/23,919.06 = 15,661/x
  3. Step 3: Cross multiply
    17,337.16x = 23,919.06 × 15,661
  4. Step 4: Simplify right side
    17,337.16x = 374,596,398.66
  5. Step 5: Solve for x
    x = 374,596,398.66/17,337.16
  6. Step 6: Final answer
    x = 21,606.56

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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.