Home / 23,112.60-34,664.10-9,965.40

Finding the Fourth Proportional to 23,112.60, 34,664.10 and 9,965.40

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Solution

The fourth proportional to 23,112.60, 34,664.10 and 9,965.40 is: 14,946.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.60 : 34,664.10 = 9,965.40 : x
  2. Step 2: Convert to fraction form
    23,112.60/34,664.10 = 9,965.40/x
  3. Step 3: Cross multiply
    23,112.60x = 34,664.10 × 9,965.40
  4. Step 4: Simplify right side
    23,112.60x = 345,441,622.14
  5. Step 5: Solve for x
    x = 345,441,622.14/23,112.60
  6. Step 6: Final answer
    x = 14,946.03

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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.