Home / 18,359.58-25,336.38-9,976.08

Finding the Fourth Proportional to 18,359.58, 25,336.38 and 9,976.08

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Solution

The fourth proportional to 18,359.58, 25,336.38 and 9,976.08 is: 13,767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.58 : 25,336.38 = 9,976.08 : x
  2. Step 2: Convert to fraction form
    18,359.58/25,336.38 = 9,976.08/x
  3. Step 3: Cross multiply
    18,359.58x = 25,336.38 × 9,976.08
  4. Step 4: Simplify right side
    18,359.58x = 252,757,687.58
  5. Step 5: Solve for x
    x = 252,757,687.58/18,359.58
  6. Step 6: Final answer
    x = 13,767.07

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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.