Home / 18,805.48-25,952.58-10,422.76

Finding the Fourth Proportional to 18,805.48, 25,952.58 and 10,422.76

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Solution

The fourth proportional to 18,805.48, 25,952.58 and 10,422.76 is: 14,383.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805.48 : 25,952.58 = 10,422.76 : x
  2. Step 2: Convert to fraction form
    18,805.48/25,952.58 = 10,422.76/x
  3. Step 3: Cross multiply
    18,805.48x = 25,952.58 × 10,422.76
  4. Step 4: Simplify right side
    18,805.48x = 270,497,512.72
  5. Step 5: Solve for x
    x = 270,497,512.72/18,805.48
  6. Step 6: Final answer
    x = 14,383.97

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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.