Home / 27,718.44-41,548.62-12,915.15

Finding the Fourth Proportional to 27,718.44, 41,548.62 and 12,915.15

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Solution

The fourth proportional to 27,718.44, 41,548.62 and 12,915.15 is: 19,359.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,718.44 : 41,548.62 = 12,915.15 : x
  2. Step 2: Convert to fraction form
    27,718.44/41,548.62 = 12,915.15/x
  3. Step 3: Cross multiply
    27,718.44x = 41,548.62 × 12,915.15
  4. Step 4: Simplify right side
    27,718.44x = 536,606,659.59
  5. Step 5: Solve for x
    x = 536,606,659.59/27,718.44
  6. Step 6: Final answer
    x = 19,359.19

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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.