Home / 22,906.64-34,360.02-8,115.72

Finding the Fourth Proportional to 22,906.64, 34,360.02 and 8,115.72

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Solution

The fourth proportional to 22,906.64, 34,360.02 and 8,115.72 is: 12,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,906.64 : 34,360.02 = 8,115.72 : x
  2. Step 2: Convert to fraction form
    22,906.64/34,360.02 = 8,115.72/x
  3. Step 3: Cross multiply
    22,906.64x = 34,360.02 × 8,115.72
  4. Step 4: Simplify right side
    22,906.64x = 278,856,301.51
  5. Step 5: Solve for x
    x = 278,856,301.51/22,906.64
  6. Step 6: Final answer
    x = 12,173.60

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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.