Home / 13,891.72-20,842.46-4,031.59

Finding the Fourth Proportional to 13,891.72, 20,842.46 and 4,031.59

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Solution

The fourth proportional to 13,891.72, 20,842.46 and 4,031.59 is: 6,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.72 : 20,842.46 = 4,031.59 : x
  2. Step 2: Convert to fraction form
    13,891.72/20,842.46 = 4,031.59/x
  3. Step 3: Cross multiply
    13,891.72x = 20,842.46 × 4,031.59
  4. Step 4: Simplify right side
    13,891.72x = 84,028,253.31
  5. Step 5: Solve for x
    x = 84,028,253.31/13,891.72
  6. Step 6: Final answer
    x = 6,048.80

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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.