Home / 19,963.18-27,548.79-11,011.51

Finding the Fourth Proportional to 19,963.18, 27,548.79 and 11,011.51

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Solution

The fourth proportional to 19,963.18, 27,548.79 and 11,011.51 is: 15,195.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.18 : 27,548.79 = 11,011.51 : x
  2. Step 2: Convert to fraction form
    19,963.18/27,548.79 = 11,011.51/x
  3. Step 3: Cross multiply
    19,963.18x = 27,548.79 × 11,011.51
  4. Step 4: Simplify right side
    19,963.18x = 303,353,776.57
  5. Step 5: Solve for x
    x = 303,353,776.57/19,963.18
  6. Step 6: Final answer
    x = 15,195.66

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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.