Home / 20,136.19-27,787.00-11,184.24

Finding the Fourth Proportional to 20,136.19, 27,787.00 and 11,184.24

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Solution

The fourth proportional to 20,136.19, 27,787.00 and 11,184.24 is: 15,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136.19 : 27,787.00 = 11,184.24 : x
  2. Step 2: Convert to fraction form
    20,136.19/27,787.00 = 11,184.24/x
  3. Step 3: Cross multiply
    20,136.19x = 27,787.00 × 11,184.24
  4. Step 4: Simplify right side
    20,136.19x = 310,776,420.96
  5. Step 5: Solve for x
    x = 310,776,420.96/20,136.19
  6. Step 6: Final answer
    x = 15,433.73

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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.