Home / 15,932.40-23,866.20-8,145.60

Finding the Fourth Proportional to 15,932.40, 23,866.20 and 8,145.60

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Solution

The fourth proportional to 15,932.40, 23,866.20 and 8,145.60 is: 12,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,932.40 : 23,866.20 = 8,145.60 : x
  2. Step 2: Convert to fraction form
    15,932.40/23,866.20 = 8,145.60/x
  3. Step 3: Cross multiply
    15,932.40x = 23,866.20 × 8,145.60
  4. Step 4: Simplify right side
    15,932.40x = 194,404,518.72
  5. Step 5: Solve for x
    x = 194,404,518.72/15,932.40
  6. Step 6: Final answer
    x = 12,201.84

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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.