Home / 14,915.88-20,577.24-8,623.80

Finding the Fourth Proportional to 14,915.88, 20,577.24 and 8,623.80

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Solution

The fourth proportional to 14,915.88, 20,577.24 and 8,623.80 is: 11,896.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.88 : 20,577.24 = 8,623.80 : x
  2. Step 2: Convert to fraction form
    14,915.88/20,577.24 = 8,623.80/x
  3. Step 3: Cross multiply
    14,915.88x = 20,577.24 × 8,623.80
  4. Step 4: Simplify right side
    14,915.88x = 177,454,002.31
  5. Step 5: Solve for x
    x = 177,454,002.31/14,915.88
  6. Step 6: Final answer
    x = 11,896.99

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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.