Home / 20,206.06-27,884.41-11,709.83

Finding the Fourth Proportional to 20,206.06, 27,884.41 and 11,709.83

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Solution

The fourth proportional to 20,206.06, 27,884.41 and 11,709.83 is: 16,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206.06 : 27,884.41 = 11,709.83 : x
  2. Step 2: Convert to fraction form
    20,206.06/27,884.41 = 11,709.83/x
  3. Step 3: Cross multiply
    20,206.06x = 27,884.41 × 11,709.83
  4. Step 4: Simplify right side
    20,206.06x = 326,521,741.19
  5. Step 5: Solve for x
    x = 326,521,741.19/20,206.06
  6. Step 6: Final answer
    x = 16,159.60

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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.