Home / 20,561.08-30,843.79-6,523.10

Finding the Fourth Proportional to 20,561.08, 30,843.79 and 6,523.10

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Solution

The fourth proportional to 20,561.08, 30,843.79 and 6,523.10 is: 9,785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,561.08 : 30,843.79 = 6,523.10 : x
  2. Step 2: Convert to fraction form
    20,561.08/30,843.79 = 6,523.10/x
  3. Step 3: Cross multiply
    20,561.08x = 30,843.79 × 6,523.10
  4. Step 4: Simplify right side
    20,561.08x = 201,197,126.55
  5. Step 5: Solve for x
    x = 201,197,126.55/20,561.08
  6. Step 6: Final answer
    x = 9,785.34

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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.