Home / 20,842.68-31,268.92-6,051.90

Finding the Fourth Proportional to 20,842.68, 31,268.92 and 6,051.90

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Solution

The fourth proportional to 20,842.68, 31,268.92 and 6,051.90 is: 9,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,842.68 : 31,268.92 = 6,051.90 : x
  2. Step 2: Convert to fraction form
    20,842.68/31,268.92 = 6,051.90/x
  3. Step 3: Cross multiply
    20,842.68x = 31,268.92 × 6,051.90
  4. Step 4: Simplify right side
    20,842.68x = 189,236,376.95
  5. Step 5: Solve for x
    x = 189,236,376.95/20,842.68
  6. Step 6: Final answer
    x = 9,079.27

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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.