Home / 20,011.47-27,614.92-11,058.78

Finding the Fourth Proportional to 20,011.47, 27,614.92 and 11,058.78

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Solution

The fourth proportional to 20,011.47, 27,614.92 and 11,058.78 is: 15,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.47 : 27,614.92 = 11,058.78 : x
  2. Step 2: Convert to fraction form
    20,011.47/27,614.92 = 11,058.78/x
  3. Step 3: Cross multiply
    20,011.47x = 27,614.92 × 11,058.78
  4. Step 4: Simplify right side
    20,011.47x = 305,387,325.00
  5. Step 5: Solve for x
    x = 305,387,325.00/20,011.47
  6. Step 6: Final answer
    x = 15,260.61

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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.