Home / 20,550.08-28,358.61-11,597.96

Finding the Fourth Proportional to 20,550.08, 28,358.61 and 11,597.96

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Solution

The fourth proportional to 20,550.08, 28,358.61 and 11,597.96 is: 16,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.08 : 28,358.61 = 11,597.96 : x
  2. Step 2: Convert to fraction form
    20,550.08/28,358.61 = 11,597.96/x
  3. Step 3: Cross multiply
    20,550.08x = 28,358.61 × 11,597.96
  4. Step 4: Simplify right side
    20,550.08x = 328,901,882.64
  5. Step 5: Solve for x
    x = 328,901,882.64/20,550.08
  6. Step 6: Final answer
    x = 16,004.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.