Home / 19,816.52-29,724.84-5,025.45

Finding the Fourth Proportional to 19,816.52, 29,724.84 and 5,025.45

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Solution

The fourth proportional to 19,816.52, 29,724.84 and 5,025.45 is: 7,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.52 : 29,724.84 = 5,025.45 : x
  2. Step 2: Convert to fraction form
    19,816.52/29,724.84 = 5,025.45/x
  3. Step 3: Cross multiply
    19,816.52x = 29,724.84 × 5,025.45
  4. Step 4: Simplify right side
    19,816.52x = 149,380,523.43
  5. Step 5: Solve for x
    x = 149,380,523.43/19,816.52
  6. Step 6: Final answer
    x = 7,538.18

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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.