Home / 23,856.60-35,719.20-12,112.50

Finding the Fourth Proportional to 23,856.60, 35,719.20 and 12,112.50

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Solution

The fourth proportional to 23,856.60, 35,719.20 and 12,112.50 is: 18,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,856.60 : 35,719.20 = 12,112.50 : x
  2. Step 2: Convert to fraction form
    23,856.60/35,719.20 = 12,112.50/x
  3. Step 3: Cross multiply
    23,856.60x = 35,719.20 × 12,112.50
  4. Step 4: Simplify right side
    23,856.60x = 432,648,810.00
  5. Step 5: Solve for x
    x = 432,648,810.00/23,856.60
  6. Step 6: Final answer
    x = 18,135.39

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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.