Home / 18,956.88-26,156.04-11,503.44

Finding the Fourth Proportional to 18,956.88, 26,156.04 and 11,503.44

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Solution

The fourth proportional to 18,956.88, 26,156.04 and 11,503.44 is: 15,872.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.88 : 26,156.04 = 11,503.44 : x
  2. Step 2: Convert to fraction form
    18,956.88/26,156.04 = 11,503.44/x
  3. Step 3: Cross multiply
    18,956.88x = 26,156.04 × 11,503.44
  4. Step 4: Simplify right side
    18,956.88x = 300,884,436.78
  5. Step 5: Solve for x
    x = 300,884,436.78/18,956.88
  6. Step 6: Final answer
    x = 15,872.04

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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.