Home / 23,642.25-32,625.84-12,887.21

Finding the Fourth Proportional to 23,642.25, 32,625.84 and 12,887.21

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Solution

The fourth proportional to 23,642.25, 32,625.84 and 12,887.21 is: 17,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,642.25 : 32,625.84 = 12,887.21 : x
  2. Step 2: Convert to fraction form
    23,642.25/32,625.84 = 12,887.21/x
  3. Step 3: Cross multiply
    23,642.25x = 32,625.84 × 12,887.21
  4. Step 4: Simplify right side
    23,642.25x = 420,456,181.40
  5. Step 5: Solve for x
    x = 420,456,181.40/23,642.25
  6. Step 6: Final answer
    x = 17,784.10

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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.