Home / 17,447.40-26,181.86-6,915.65

Finding the Fourth Proportional to 17,447.40, 26,181.86 and 6,915.65

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Solution

The fourth proportional to 17,447.40, 26,181.86 and 6,915.65 is: 10,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,447.40 : 26,181.86 = 6,915.65 : x
  2. Step 2: Convert to fraction form
    17,447.40/26,181.86 = 6,915.65/x
  3. Step 3: Cross multiply
    17,447.40x = 26,181.86 × 6,915.65
  4. Step 4: Simplify right side
    17,447.40x = 181,064,414.62
  5. Step 5: Solve for x
    x = 181,064,414.62/17,447.40
  6. Step 6: Final answer
    x = 10,377.73

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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.