Home / 23,483.05-32,408.11-12,872.71

Finding the Fourth Proportional to 23,483.05, 32,408.11 and 12,872.71

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Solution

The fourth proportional to 23,483.05, 32,408.11 and 12,872.71 is: 17,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,483.05 : 32,408.11 = 12,872.71 : x
  2. Step 2: Convert to fraction form
    23,483.05/32,408.11 = 12,872.71/x
  3. Step 3: Cross multiply
    23,483.05x = 32,408.11 × 12,872.71
  4. Step 4: Simplify right side
    23,483.05x = 417,180,201.68
  5. Step 5: Solve for x
    x = 417,180,201.68/23,483.05
  6. Step 6: Final answer
    x = 17,765.16

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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.