Home / 18,145.76-27,223.68-10,360.04

Finding the Fourth Proportional to 18,145.76, 27,223.68 and 10,360.04

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Solution

The fourth proportional to 18,145.76, 27,223.68 and 10,360.04 is: 15,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.76 : 27,223.68 = 10,360.04 : x
  2. Step 2: Convert to fraction form
    18,145.76/27,223.68 = 10,360.04/x
  3. Step 3: Cross multiply
    18,145.76x = 27,223.68 × 10,360.04
  4. Step 4: Simplify right side
    18,145.76x = 282,038,413.75
  5. Step 5: Solve for x
    x = 282,038,413.75/18,145.76
  6. Step 6: Final answer
    x = 15,542.94

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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.