Home / 14,891.34-20,548.92-8,175.90

Finding the Fourth Proportional to 14,891.34, 20,548.92 and 8,175.90

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Solution

The fourth proportional to 14,891.34, 20,548.92 and 8,175.90 is: 11,282.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,891.34 : 20,548.92 = 8,175.90 : x
  2. Step 2: Convert to fraction form
    14,891.34/20,548.92 = 8,175.90/x
  3. Step 3: Cross multiply
    14,891.34x = 20,548.92 × 8,175.90
  4. Step 4: Simplify right side
    14,891.34x = 168,005,915.03
  5. Step 5: Solve for x
    x = 168,005,915.03/14,891.34
  6. Step 6: Final answer
    x = 11,282.12

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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.