Home / 18,232.52-25,161.96-12,172.36

Finding the Fourth Proportional to 18,232.52, 25,161.96 and 12,172.36

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Solution

The fourth proportional to 18,232.52, 25,161.96 and 12,172.36 is: 16,798.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.52 : 25,161.96 = 12,172.36 : x
  2. Step 2: Convert to fraction form
    18,232.52/25,161.96 = 12,172.36/x
  3. Step 3: Cross multiply
    18,232.52x = 25,161.96 × 12,172.36
  4. Step 4: Simplify right side
    18,232.52x = 306,280,435.43
  5. Step 5: Solve for x
    x = 306,280,435.43/18,232.52
  6. Step 6: Final answer
    x = 16,798.58

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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.