Home / 20,794.94-28,697.73-11,364.11

Finding the Fourth Proportional to 20,794.94, 28,697.73 and 11,364.11

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Solution

The fourth proportional to 20,794.94, 28,697.73 and 11,364.11 is: 15,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.94 : 28,697.73 = 11,364.11 : x
  2. Step 2: Convert to fraction form
    20,794.94/28,697.73 = 11,364.11/x
  3. Step 3: Cross multiply
    20,794.94x = 28,697.73 × 11,364.11
  4. Step 4: Simplify right side
    20,794.94x = 326,124,160.47
  5. Step 5: Solve for x
    x = 326,124,160.47/20,794.94
  6. Step 6: Final answer
    x = 15,682.86

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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.