Home / 15,964.90-23,962.11-8,072.98

Finding the Fourth Proportional to 15,964.90, 23,962.11 and 8,072.98

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Solution

The fourth proportional to 15,964.90, 23,962.11 and 8,072.98 is: 12,116.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.90 : 23,962.11 = 8,072.98 : x
  2. Step 2: Convert to fraction form
    15,964.90/23,962.11 = 8,072.98/x
  3. Step 3: Cross multiply
    15,964.90x = 23,962.11 × 8,072.98
  4. Step 4: Simplify right side
    15,964.90x = 193,445,634.79
  5. Step 5: Solve for x
    x = 193,445,634.79/15,964.90
  6. Step 6: Final answer
    x = 12,116.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.