Home / 27,143.50-40,707.44-9,369.54

Finding the Fourth Proportional to 27,143.50, 40,707.44 and 9,369.54

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Solution

The fourth proportional to 27,143.50, 40,707.44 and 9,369.54 is: 14,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.50 : 40,707.44 = 9,369.54 : x
  2. Step 2: Convert to fraction form
    27,143.50/40,707.44 = 9,369.54/x
  3. Step 3: Cross multiply
    27,143.50x = 40,707.44 × 9,369.54
  4. Step 4: Simplify right side
    27,143.50x = 381,409,987.38
  5. Step 5: Solve for x
    x = 381,409,987.38/27,143.50
  6. Step 6: Final answer
    x = 14,051.61

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1.5x scale

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.