Home / 27,018.76-37,285.74-15,081.38

Finding the Fourth Proportional to 27,018.76, 37,285.74 and 15,081.38

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Solution

The fourth proportional to 27,018.76, 37,285.74 and 15,081.38 is: 20,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.76 : 37,285.74 = 15,081.38 : x
  2. Step 2: Convert to fraction form
    27,018.76/37,285.74 = 15,081.38/x
  3. Step 3: Cross multiply
    27,018.76x = 37,285.74 × 15,081.38
  4. Step 4: Simplify right side
    27,018.76x = 562,320,413.52
  5. Step 5: Solve for x
    x = 562,320,413.52/27,018.76
  6. Step 6: Final answer
    x = 20,812.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.