Home / 23,861.40-35,719.20-18,612.60

Finding the Fourth Proportional to 23,861.40, 35,719.20 and 18,612.60

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Solution

The fourth proportional to 23,861.40, 35,719.20 and 18,612.60 is: 27,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,861.40 : 35,719.20 = 18,612.60 : x
  2. Step 2: Convert to fraction form
    23,861.40/35,719.20 = 18,612.60/x
  3. Step 3: Cross multiply
    23,861.40x = 35,719.20 × 18,612.60
  4. Step 4: Simplify right side
    23,861.40x = 664,827,181.92
  5. Step 5: Solve for x
    x = 664,827,181.92/23,861.40
  6. Step 6: Final answer
    x = 27,862.04

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1.5x scale

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.