Home / 15,941.66-23,913.09-8,141.36

Finding the Fourth Proportional to 15,941.66, 23,913.09 and 8,141.36

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Solution

The fourth proportional to 15,941.66, 23,913.09 and 8,141.36 is: 12,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941.66 : 23,913.09 = 8,141.36 : x
  2. Step 2: Convert to fraction form
    15,941.66/23,913.09 = 8,141.36/x
  3. Step 3: Cross multiply
    15,941.66x = 23,913.09 × 8,141.36
  4. Step 4: Simplify right side
    15,941.66x = 194,684,954.84
  5. Step 5: Solve for x
    x = 194,684,954.84/15,941.66
  6. Step 6: Final answer
    x = 12,212.34

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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.