Home / 20,184.06-27,857.58-11,684.76

Finding the Fourth Proportional to 20,184.06, 27,857.58 and 11,684.76

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Solution

The fourth proportional to 20,184.06, 27,857.58 and 11,684.76 is: 16,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.06 : 27,857.58 = 11,684.76 : x
  2. Step 2: Convert to fraction form
    20,184.06/27,857.58 = 11,684.76/x
  3. Step 3: Cross multiply
    20,184.06x = 27,857.58 × 11,684.76
  4. Step 4: Simplify right side
    20,184.06x = 325,509,136.48
  5. Step 5: Solve for x
    x = 325,509,136.48/20,184.06
  6. Step 6: Final answer
    x = 16,127.04

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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.