Home / 12,453.36-18,682.92-4,132.76

Finding the Fourth Proportional to 12,453.36, 18,682.92 and 4,132.76

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Solution

The fourth proportional to 12,453.36, 18,682.92 and 4,132.76 is: 6,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453.36 : 18,682.92 = 4,132.76 : x
  2. Step 2: Convert to fraction form
    12,453.36/18,682.92 = 4,132.76/x
  3. Step 3: Cross multiply
    12,453.36x = 18,682.92 × 4,132.76
  4. Step 4: Simplify right side
    12,453.36x = 77,212,024.46
  5. Step 5: Solve for x
    x = 77,212,024.46/12,453.36
  6. Step 6: Final answer
    x = 6,200.10

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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.