Home / 16,999.46-23,457.56-9,930

Finding the Fourth Proportional to 16,999.46, 23,457.56 and 9,930

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Solution

The fourth proportional to 16,999.46, 23,457.56 and 9,930 is: 13,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.46 : 23,457.56 = 9,930 : x
  2. Step 2: Convert to fraction form
    16,999.46/23,457.56 = 9,930/x
  3. Step 3: Cross multiply
    16,999.46x = 23,457.56 × 9,930
  4. Step 4: Simplify right side
    16,999.46x = 232,933,521.15
  5. Step 5: Solve for x
    x = 232,933,521.15/16,999.46
  6. Step 6: Final answer
    x = 13,702.41

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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.