Home / 18,789.88-25,929.52-10,292.08

Finding the Fourth Proportional to 18,789.88, 25,929.52 and 10,292.08

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Solution

The fourth proportional to 18,789.88, 25,929.52 and 10,292.08 is: 14,202.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789.88 : 25,929.52 = 10,292.08 : x
  2. Step 2: Convert to fraction form
    18,789.88/25,929.52 = 10,292.08/x
  3. Step 3: Cross multiply
    18,789.88x = 25,929.52 × 10,292.08
  4. Step 4: Simplify right side
    18,789.88x = 266,868,694.20
  5. Step 5: Solve for x
    x = 266,868,694.20/18,789.88
  6. Step 6: Final answer
    x = 14,202.79

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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.