Home / 17,905.98-24,702.30-11,931.82

Finding the Fourth Proportional to 17,905.98, 24,702.30 and 11,931.82

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Solution

The fourth proportional to 17,905.98, 24,702.30 and 11,931.82 is: 16,460.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.98 : 24,702.30 = 11,931.82 : x
  2. Step 2: Convert to fraction form
    17,905.98/24,702.30 = 11,931.82/x
  3. Step 3: Cross multiply
    17,905.98x = 24,702.30 × 11,931.82
  4. Step 4: Simplify right side
    17,905.98x = 294,743,397.19
  5. Step 5: Solve for x
    x = 294,743,397.19/17,905.98
  6. Step 6: Final answer
    x = 16,460.61

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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.