Home / 12,331.52-18,453.32-9,036.44

Finding the Fourth Proportional to 12,331.52, 18,453.32 and 9,036.44

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Solution

The fourth proportional to 12,331.52, 18,453.32 and 9,036.44 is: 13,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.52 : 18,453.32 = 9,036.44 : x
  2. Step 2: Convert to fraction form
    12,331.52/18,453.32 = 9,036.44/x
  3. Step 3: Cross multiply
    12,331.52x = 18,453.32 × 9,036.44
  4. Step 4: Simplify right side
    12,331.52x = 166,752,318.98
  5. Step 5: Solve for x
    x = 166,752,318.98/12,331.52
  6. Step 6: Final answer
    x = 13,522.45

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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.