Home / 17,679.62-24,397.67-9,721.37

Finding the Fourth Proportional to 17,679.62, 24,397.67 and 9,721.37

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Solution

The fourth proportional to 17,679.62, 24,397.67 and 9,721.37 is: 13,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.62 : 24,397.67 = 9,721.37 : x
  2. Step 2: Convert to fraction form
    17,679.62/24,397.67 = 9,721.37/x
  3. Step 3: Cross multiply
    17,679.62x = 24,397.67 × 9,721.37
  4. Step 4: Simplify right side
    17,679.62x = 237,178,862.51
  5. Step 5: Solve for x
    x = 237,178,862.51/17,679.62
  6. Step 6: Final answer
    x = 13,415.38

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1.5x scale

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.