Home / 25,665.19-38,497.78-8,135.01

Finding the Fourth Proportional to 25,665.19, 38,497.78 and 8,135.01

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Solution

The fourth proportional to 25,665.19, 38,497.78 and 8,135.01 is: 12,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.19 : 38,497.78 = 8,135.01 : x
  2. Step 2: Convert to fraction form
    25,665.19/38,497.78 = 8,135.01/x
  3. Step 3: Cross multiply
    25,665.19x = 38,497.78 × 8,135.01
  4. Step 4: Simplify right side
    25,665.19x = 313,179,825.28
  5. Step 5: Solve for x
    x = 313,179,825.28/25,665.19
  6. Step 6: Final answer
    x = 12,202.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.