Home / 23,418.48-35,141.55-8,637.72

Finding the Fourth Proportional to 23,418.48, 35,141.55 and 8,637.72

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Solution

The fourth proportional to 23,418.48, 35,141.55 and 8,637.72 is: 12,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,418.48 : 35,141.55 = 8,637.72 : x
  2. Step 2: Convert to fraction form
    23,418.48/35,141.55 = 8,637.72/x
  3. Step 3: Cross multiply
    23,418.48x = 35,141.55 × 8,637.72
  4. Step 4: Simplify right side
    23,418.48x = 303,542,869.27
  5. Step 5: Solve for x
    x = 303,542,869.27/23,418.48
  6. Step 6: Final answer
    x = 12,961.68

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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.