Home / 20,245.91-27,941.51-11,296.52

Finding the Fourth Proportional to 20,245.91, 27,941.51 and 11,296.52

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Solution

The fourth proportional to 20,245.91, 27,941.51 and 11,296.52 is: 15,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245.91 : 27,941.51 = 11,296.52 : x
  2. Step 2: Convert to fraction form
    20,245.91/27,941.51 = 11,296.52/x
  3. Step 3: Cross multiply
    20,245.91x = 27,941.51 × 11,296.52
  4. Step 4: Simplify right side
    20,245.91x = 315,641,715.08
  5. Step 5: Solve for x
    x = 315,641,715.08/20,245.91
  6. Step 6: Final answer
    x = 15,590.40

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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.