Home / 27,474.61-37,915.79-15,537.71

Finding the Fourth Proportional to 27,474.61, 37,915.79 and 15,537.71

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Solution

The fourth proportional to 27,474.61, 37,915.79 and 15,537.71 is: 21,442.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,474.61 : 37,915.79 = 15,537.71 : x
  2. Step 2: Convert to fraction form
    27,474.61/37,915.79 = 15,537.71/x
  3. Step 3: Cross multiply
    27,474.61x = 37,915.79 × 15,537.71
  4. Step 4: Simplify right side
    27,474.61x = 589,124,549.44
  5. Step 5: Solve for x
    x = 589,124,549.44/27,474.61
  6. Step 6: Final answer
    x = 21,442.51

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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.