Home / 20,648.12-30,973.73-5,858.24

Finding the Fourth Proportional to 20,648.12, 30,973.73 and 5,858.24

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Solution

The fourth proportional to 20,648.12, 30,973.73 and 5,858.24 is: 8,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,648.12 : 30,973.73 = 5,858.24 : x
  2. Step 2: Convert to fraction form
    20,648.12/30,973.73 = 5,858.24/x
  3. Step 3: Cross multiply
    20,648.12x = 30,973.73 × 5,858.24
  4. Step 4: Simplify right side
    20,648.12x = 181,451,359.88
  5. Step 5: Solve for x
    x = 181,451,359.88/20,648.12
  6. Step 6: Final answer
    x = 8,787.79

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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.