Home / 18,203.56-27,305.35-5,055.93

Finding the Fourth Proportional to 18,203.56, 27,305.35 and 5,055.93

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Solution

The fourth proportional to 18,203.56, 27,305.35 and 5,055.93 is: 7,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.56 : 27,305.35 = 5,055.93 : x
  2. Step 2: Convert to fraction form
    18,203.56/27,305.35 = 5,055.93/x
  3. Step 3: Cross multiply
    18,203.56x = 27,305.35 × 5,055.93
  4. Step 4: Simplify right side
    18,203.56x = 138,053,925.59
  5. Step 5: Solve for x
    x = 138,053,925.59/18,203.56
  6. Step 6: Final answer
    x = 7,583.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.