Home / 19,905.51-27,469.71-10,952.85

Finding the Fourth Proportional to 19,905.51, 27,469.71 and 10,952.85

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Solution

The fourth proportional to 19,905.51, 27,469.71 and 10,952.85 is: 15,114.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.51 : 27,469.71 = 10,952.85 : x
  2. Step 2: Convert to fraction form
    19,905.51/27,469.71 = 10,952.85/x
  3. Step 3: Cross multiply
    19,905.51x = 27,469.71 × 10,952.85
  4. Step 4: Simplify right side
    19,905.51x = 300,871,613.17
  5. Step 5: Solve for x
    x = 300,871,613.17/19,905.51
  6. Step 6: Final answer
    x = 15,114.99

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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.