Home / 19,936.83-27,480.76-13,474.45

Finding the Fourth Proportional to 19,936.83, 27,480.76 and 13,474.45

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Solution

The fourth proportional to 19,936.83, 27,480.76 and 13,474.45 is: 18,573.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.83 : 27,480.76 = 13,474.45 : x
  2. Step 2: Convert to fraction form
    19,936.83/27,480.76 = 13,474.45/x
  3. Step 3: Cross multiply
    19,936.83x = 27,480.76 × 13,474.45
  4. Step 4: Simplify right side
    19,936.83x = 370,287,921.81
  5. Step 5: Solve for x
    x = 370,287,921.81/19,936.83
  6. Step 6: Final answer
    x = 18,573.06

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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.