Home / 27,152.46-40,728.66-7,431.18

Finding the Fourth Proportional to 27,152.46, 40,728.66 and 7,431.18

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Solution

The fourth proportional to 27,152.46, 40,728.66 and 7,431.18 is: 11,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,152.46 : 40,728.66 = 7,431.18 : x
  2. Step 2: Convert to fraction form
    27,152.46/40,728.66 = 7,431.18/x
  3. Step 3: Cross multiply
    27,152.46x = 40,728.66 × 7,431.18
  4. Step 4: Simplify right side
    27,152.46x = 302,662,003.62
  5. Step 5: Solve for x
    x = 302,662,003.62/27,152.46
  6. Step 6: Final answer
    x = 11,146.76

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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.