Home / 20,007.49-27,609.63-11,054.83

Finding the Fourth Proportional to 20,007.49, 27,609.63 and 11,054.83

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Solution

The fourth proportional to 20,007.49, 27,609.63 and 11,054.83 is: 15,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.49 : 27,609.63 = 11,054.83 : x
  2. Step 2: Convert to fraction form
    20,007.49/27,609.63 = 11,054.83/x
  3. Step 3: Cross multiply
    20,007.49x = 27,609.63 × 11,054.83
  4. Step 4: Simplify right side
    20,007.49x = 305,219,766.01
  5. Step 5: Solve for x
    x = 305,219,766.01/20,007.49
  6. Step 6: Final answer
    x = 15,255.28

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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.