Home / 20,050.65-27,672.83-11,551.12

Finding the Fourth Proportional to 20,050.65, 27,672.83 and 11,551.12

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Solution

The fourth proportional to 20,050.65, 27,672.83 and 11,551.12 is: 15,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.65 : 27,672.83 = 11,551.12 : x
  2. Step 2: Convert to fraction form
    20,050.65/27,672.83 = 11,551.12/x
  3. Step 3: Cross multiply
    20,050.65x = 27,672.83 × 11,551.12
  4. Step 4: Simplify right side
    20,050.65x = 319,652,180.07
  5. Step 5: Solve for x
    x = 319,652,180.07/20,050.65
  6. Step 6: Final answer
    x = 15,942.24

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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.