Home / 20,873.61-31,313.34-6,083.61

Finding the Fourth Proportional to 20,873.61, 31,313.34 and 6,083.61

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Solution

The fourth proportional to 20,873.61, 31,313.34 and 6,083.61 is: 9,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,873.61 : 31,313.34 = 6,083.61 : x
  2. Step 2: Convert to fraction form
    20,873.61/31,313.34 = 6,083.61/x
  3. Step 3: Cross multiply
    20,873.61x = 31,313.34 × 6,083.61
  4. Step 4: Simplify right side
    20,873.61x = 190,498,148.36
  5. Step 5: Solve for x
    x = 190,498,148.36/20,873.61
  6. Step 6: Final answer
    x = 9,126.27

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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.