Home / 20,237.97-27,927.38-11,164.91

Finding the Fourth Proportional to 20,237.97, 27,927.38 and 11,164.91

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Solution

The fourth proportional to 20,237.97, 27,927.38 and 11,164.91 is: 15,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.97 : 27,927.38 = 11,164.91 : x
  2. Step 2: Convert to fraction form
    20,237.97/27,927.38 = 11,164.91/x
  3. Step 3: Cross multiply
    20,237.97x = 27,927.38 × 11,164.91
  4. Step 4: Simplify right side
    20,237.97x = 311,806,628.41
  5. Step 5: Solve for x
    x = 311,806,628.41/20,237.97
  6. Step 6: Final answer
    x = 15,407.01

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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.