Home / 20,296.08-28,007.55-11,341.83

Finding the Fourth Proportional to 20,296.08, 28,007.55 and 11,341.83

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Solution

The fourth proportional to 20,296.08, 28,007.55 and 11,341.83 is: 15,651.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.08 : 28,007.55 = 11,341.83 : x
  2. Step 2: Convert to fraction form
    20,296.08/28,007.55 = 11,341.83/x
  3. Step 3: Cross multiply
    20,296.08x = 28,007.55 × 11,341.83
  4. Step 4: Simplify right side
    20,296.08x = 317,656,870.82
  5. Step 5: Solve for x
    x = 317,656,870.82/20,296.08
  6. Step 6: Final answer
    x = 15,651.14

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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.