Home / 16,820.58-23,212.10-9,747.66

Finding the Fourth Proportional to 16,820.58, 23,212.10 and 9,747.66

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Solution

The fourth proportional to 16,820.58, 23,212.10 and 9,747.66 is: 13,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.58 : 23,212.10 = 9,747.66 : x
  2. Step 2: Convert to fraction form
    16,820.58/23,212.10 = 9,747.66/x
  3. Step 3: Cross multiply
    16,820.58x = 23,212.10 × 9,747.66
  4. Step 4: Simplify right side
    16,820.58x = 226,263,658.69
  5. Step 5: Solve for x
    x = 226,263,658.69/16,820.58
  6. Step 6: Final answer
    x = 13,451.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.