Home / 18,427.93-27,640.56-6,580.36

Finding the Fourth Proportional to 18,427.93, 27,640.56 and 6,580.36

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Solution

The fourth proportional to 18,427.93, 27,640.56 and 6,580.36 is: 9,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.93 : 27,640.56 = 6,580.36 : x
  2. Step 2: Convert to fraction form
    18,427.93/27,640.56 = 6,580.36/x
  3. Step 3: Cross multiply
    18,427.93x = 27,640.56 × 6,580.36
  4. Step 4: Simplify right side
    18,427.93x = 181,884,835.40
  5. Step 5: Solve for x
    x = 181,884,835.40/18,427.93
  6. Step 6: Final answer
    x = 9,870.06

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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.