Home / 20,005.35-27,606.42-11,052.93

Finding the Fourth Proportional to 20,005.35, 27,606.42 and 11,052.93

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Solution

The fourth proportional to 20,005.35, 27,606.42 and 11,052.93 is: 15,252.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.35 : 27,606.42 = 11,052.93 : x
  2. Step 2: Convert to fraction form
    20,005.35/27,606.42 = 11,052.93/x
  3. Step 3: Cross multiply
    20,005.35x = 27,606.42 × 11,052.93
  4. Step 4: Simplify right side
    20,005.35x = 305,131,827.81
  5. Step 5: Solve for x
    x = 305,131,827.81/20,005.35
  6. Step 6: Final answer
    x = 15,252.51

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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.