Home / 20,847.06-31,275.38-6,057.20

Finding the Fourth Proportional to 20,847.06, 31,275.38 and 6,057.20

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Solution

The fourth proportional to 20,847.06, 31,275.38 and 6,057.20 is: 9,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847.06 : 31,275.38 = 6,057.20 : x
  2. Step 2: Convert to fraction form
    20,847.06/31,275.38 = 6,057.20/x
  3. Step 3: Cross multiply
    20,847.06x = 31,275.38 × 6,057.20
  4. Step 4: Simplify right side
    20,847.06x = 189,441,325.07
  5. Step 5: Solve for x
    x = 189,441,325.07/20,847.06
  6. Step 6: Final answer
    x = 9,087.20

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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.