Home / 21,408.14-32,112.22-10,876.52

Finding the Fourth Proportional to 21,408.14, 32,112.22 and 10,876.52

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Solution

The fourth proportional to 21,408.14, 32,112.22 and 10,876.52 is: 16,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,408.14 : 32,112.22 = 10,876.52 : x
  2. Step 2: Convert to fraction form
    21,408.14/32,112.22 = 10,876.52/x
  3. Step 3: Cross multiply
    21,408.14x = 32,112.22 × 10,876.52
  4. Step 4: Simplify right side
    21,408.14x = 349,269,203.07
  5. Step 5: Solve for x
    x = 349,269,203.07/21,408.14
  6. Step 6: Final answer
    x = 16,314.79

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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.