Home / 20,796.23-28,697.94-11,364.59

Finding the Fourth Proportional to 20,796.23, 28,697.94 and 11,364.59

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Solution

The fourth proportional to 20,796.23, 28,697.94 and 11,364.59 is: 15,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796.23 : 28,697.94 = 11,364.59 : x
  2. Step 2: Convert to fraction form
    20,796.23/28,697.94 = 11,364.59/x
  3. Step 3: Cross multiply
    20,796.23x = 28,697.94 × 11,364.59
  4. Step 4: Simplify right side
    20,796.23x = 326,140,178.45
  5. Step 5: Solve for x
    x = 326,140,178.45/20,796.23
  6. Step 6: Final answer
    x = 15,682.66

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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.