Home / 18,533.32-27,804.54-5,385.82

Finding the Fourth Proportional to 18,533.32, 27,804.54 and 5,385.82

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Solution

The fourth proportional to 18,533.32, 27,804.54 and 5,385.82 is: 8,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.32 : 27,804.54 = 5,385.82 : x
  2. Step 2: Convert to fraction form
    18,533.32/27,804.54 = 5,385.82/x
  3. Step 3: Cross multiply
    18,533.32x = 27,804.54 × 5,385.82
  4. Step 4: Simplify right side
    18,533.32x = 149,750,247.62
  5. Step 5: Solve for x
    x = 149,750,247.62/18,533.32
  6. Step 6: Final answer
    x = 8,080.06

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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.