Home / 17,679.74-24,397.67-9,721.82

Finding the Fourth Proportional to 17,679.74, 24,397.67 and 9,721.82

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Solution

The fourth proportional to 17,679.74, 24,397.67 and 9,721.82 is: 13,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.74 : 24,397.67 = 9,721.82 : x
  2. Step 2: Convert to fraction form
    17,679.74/24,397.67 = 9,721.82/x
  3. Step 3: Cross multiply
    17,679.74x = 24,397.67 × 9,721.82
  4. Step 4: Simplify right side
    17,679.74x = 237,189,841.46
  5. Step 5: Solve for x
    x = 237,189,841.46/17,679.74
  6. Step 6: Final answer
    x = 13,415.92

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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.