Home / 18,295.48-27,445.56-5,811.06

Finding the Fourth Proportional to 18,295.48, 27,445.56 and 5,811.06

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Solution

The fourth proportional to 18,295.48, 27,445.56 and 5,811.06 is: 8,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.48 : 27,445.56 = 5,811.06 : x
  2. Step 2: Convert to fraction form
    18,295.48/27,445.56 = 5,811.06/x
  3. Step 3: Cross multiply
    18,295.48x = 27,445.56 × 5,811.06
  4. Step 4: Simplify right side
    18,295.48x = 159,487,795.89
  5. Step 5: Solve for x
    x = 159,487,795.89/18,295.48
  6. Step 6: Final answer
    x = 8,717.33

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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.