Home / 26,915.97-40,374.05-8,196.15

Finding the Fourth Proportional to 26,915.97, 40,374.05 and 8,196.15

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Solution

The fourth proportional to 26,915.97, 40,374.05 and 8,196.15 is: 12,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.97 : 40,374.05 = 8,196.15 : x
  2. Step 2: Convert to fraction form
    26,915.97/40,374.05 = 8,196.15/x
  3. Step 3: Cross multiply
    26,915.97x = 40,374.05 × 8,196.15
  4. Step 4: Simplify right side
    26,915.97x = 330,911,728.93
  5. Step 5: Solve for x
    x = 330,911,728.93/26,915.97
  6. Step 6: Final answer
    x = 12,294.25

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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.