Home / 18,789.94-25,929.20-10,292.10

Finding the Fourth Proportional to 18,789.94, 25,929.20 and 10,292.10

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Solution

The fourth proportional to 18,789.94, 25,929.20 and 10,292.10 is: 14,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789.94 : 25,929.20 = 10,292.10 : x
  2. Step 2: Convert to fraction form
    18,789.94/25,929.20 = 10,292.10/x
  3. Step 3: Cross multiply
    18,789.94x = 25,929.20 × 10,292.10
  4. Step 4: Simplify right side
    18,789.94x = 266,865,867.86
  5. Step 5: Solve for x
    x = 266,865,867.86/18,789.94
  6. Step 6: Final answer
    x = 14,202.59

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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.