Home / 20,498.04-30,727.86-11,124.30

Finding the Fourth Proportional to 20,498.04, 30,727.86 and 11,124.30

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Solution

The fourth proportional to 20,498.04, 30,727.86 and 11,124.30 is: 16,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498.04 : 30,727.86 = 11,124.30 : x
  2. Step 2: Convert to fraction form
    20,498.04/30,727.86 = 11,124.30/x
  3. Step 3: Cross multiply
    20,498.04x = 30,727.86 × 11,124.30
  4. Step 4: Simplify right side
    20,498.04x = 341,825,933.00
  5. Step 5: Solve for x
    x = 341,825,933.00/20,498.04
  6. Step 6: Final answer
    x = 16,676.03

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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.