Home / 38,022.78-57,015.13-11,724.10

Finding the Fourth Proportional to 38,022.78, 57,015.13 and 11,724.10

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Solution

The fourth proportional to 38,022.78, 57,015.13 and 11,724.10 is: 17,580.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,022.78 : 57,015.13 = 11,724.10 : x
  2. Step 2: Convert to fraction form
    38,022.78/57,015.13 = 11,724.10/x
  3. Step 3: Cross multiply
    38,022.78x = 57,015.13 × 11,724.10
  4. Step 4: Simplify right side
    38,022.78x = 668,451,056.32
  5. Step 5: Solve for x
    x = 668,451,056.32/38,022.78
  6. Step 6: Final answer
    x = 17,580.28

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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.