Home / 18,656.28-25,747.89-10,698.48

Finding the Fourth Proportional to 18,656.28, 25,747.89 and 10,698.48

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Solution

The fourth proportional to 18,656.28, 25,747.89 and 10,698.48 is: 14,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.28 : 25,747.89 = 10,698.48 : x
  2. Step 2: Convert to fraction form
    18,656.28/25,747.89 = 10,698.48/x
  3. Step 3: Cross multiply
    18,656.28x = 25,747.89 × 10,698.48
  4. Step 4: Simplify right side
    18,656.28x = 275,463,286.21
  5. Step 5: Solve for x
    x = 275,463,286.21/18,656.28
  6. Step 6: Final answer
    x = 14,765.18

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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.