Home / 20,048.15-27,669.38-11,548.62

Finding the Fourth Proportional to 20,048.15, 27,669.38 and 11,548.62

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Solution

The fourth proportional to 20,048.15, 27,669.38 and 11,548.62 is: 15,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.15 : 27,669.38 = 11,548.62 : x
  2. Step 2: Convert to fraction form
    20,048.15/27,669.38 = 11,548.62/x
  3. Step 3: Cross multiply
    20,048.15x = 27,669.38 × 11,548.62
  4. Step 4: Simplify right side
    20,048.15x = 319,543,155.26
  5. Step 5: Solve for x
    x = 319,543,155.26/20,048.15
  6. Step 6: Final answer
    x = 15,938.79

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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.