Home / 23,642.12-32,625.68-12,887.09

Finding the Fourth Proportional to 23,642.12, 32,625.68 and 12,887.09

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Solution

The fourth proportional to 23,642.12, 32,625.68 and 12,887.09 is: 17,783.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,642.12 : 32,625.68 = 12,887.09 : x
  2. Step 2: Convert to fraction form
    23,642.12/32,625.68 = 12,887.09/x
  3. Step 3: Cross multiply
    23,642.12x = 32,625.68 × 12,887.09
  4. Step 4: Simplify right side
    23,642.12x = 420,450,010.04
  5. Step 5: Solve for x
    x = 420,450,010.04/23,642.12
  6. Step 6: Final answer
    x = 17,783.94

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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.