Home / 15,191.64-22,773.88-8,175.40

Finding the Fourth Proportional to 15,191.64, 22,773.88 and 8,175.40

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Solution

The fourth proportional to 15,191.64, 22,773.88 and 8,175.40 is: 12,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191.64 : 22,773.88 = 8,175.40 : x
  2. Step 2: Convert to fraction form
    15,191.64/22,773.88 = 8,175.40/x
  3. Step 3: Cross multiply
    15,191.64x = 22,773.88 × 8,175.40
  4. Step 4: Simplify right side
    15,191.64x = 186,185,578.55
  5. Step 5: Solve for x
    x = 186,185,578.55/15,191.64
  6. Step 6: Final answer
    x = 12,255.79

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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.