Home / 20,005.16-27,606.69-11,052.56

Finding the Fourth Proportional to 20,005.16, 27,606.69 and 11,052.56

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Solution

The fourth proportional to 20,005.16, 27,606.69 and 11,052.56 is: 15,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.16 : 27,606.69 = 11,052.56 : x
  2. Step 2: Convert to fraction form
    20,005.16/27,606.69 = 11,052.56/x
  3. Step 3: Cross multiply
    20,005.16x = 27,606.69 × 11,052.56
  4. Step 4: Simplify right side
    20,005.16x = 305,124,666.64
  5. Step 5: Solve for x
    x = 305,124,666.64/20,005.16
  6. Step 6: Final answer
    x = 15,252.30

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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.