Home / 23,451.42-32,360.90-13,889.61

Finding the Fourth Proportional to 23,451.42, 32,360.90 and 13,889.61

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Solution

The fourth proportional to 23,451.42, 32,360.90 and 13,889.61 is: 19,166.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,451.42 : 32,360.90 = 13,889.61 : x
  2. Step 2: Convert to fraction form
    23,451.42/32,360.90 = 13,889.61/x
  3. Step 3: Cross multiply
    23,451.42x = 32,360.90 × 13,889.61
  4. Step 4: Simplify right side
    23,451.42x = 449,480,249.87
  5. Step 5: Solve for x
    x = 449,480,249.87/23,451.42
  6. Step 6: Final answer
    x = 19,166.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.