Home / 20,536.30-30,807.77-8,049.55

Finding the Fourth Proportional to 20,536.30, 30,807.77 and 8,049.55

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Solution

The fourth proportional to 20,536.30, 30,807.77 and 8,049.55 is: 12,075.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536.30 : 30,807.77 = 8,049.55 : x
  2. Step 2: Convert to fraction form
    20,536.30/30,807.77 = 8,049.55/x
  3. Step 3: Cross multiply
    20,536.30x = 30,807.77 × 8,049.55
  4. Step 4: Simplify right side
    20,536.30x = 247,988,685.00
  5. Step 5: Solve for x
    x = 247,988,685.00/20,536.30
  6. Step 6: Final answer
    x = 12,075.63

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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.