Home / 19,905.66-27,469.94-10,952.91

Finding the Fourth Proportional to 19,905.66, 27,469.94 and 10,952.91

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Solution

The fourth proportional to 19,905.66, 27,469.94 and 10,952.91 is: 15,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.66 : 27,469.94 = 10,952.91 : x
  2. Step 2: Convert to fraction form
    19,905.66/27,469.94 = 10,952.91/x
  3. Step 3: Cross multiply
    19,905.66x = 27,469.94 × 10,952.91
  4. Step 4: Simplify right side
    19,905.66x = 300,875,725.76
  5. Step 5: Solve for x
    x = 300,875,725.76/19,905.66
  6. Step 6: Final answer
    x = 15,115.08

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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.