Home / 27,474.47-37,915.67-17,920.61

Finding the Fourth Proportional to 27,474.47, 37,915.67 and 17,920.61

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Solution

The fourth proportional to 27,474.47, 37,915.67 and 17,920.61 is: 24,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,474.47 : 37,915.67 = 17,920.61 : x
  2. Step 2: Convert to fraction form
    27,474.47/37,915.67 = 17,920.61/x
  3. Step 3: Cross multiply
    27,474.47x = 37,915.67 × 17,920.61
  4. Step 4: Simplify right side
    27,474.47x = 679,471,845.36
  5. Step 5: Solve for x
    x = 679,471,845.36/27,474.47
  6. Step 6: Final answer
    x = 24,731.03

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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.