Home / 13,589.62-18,753.45-7,927.66

Finding the Fourth Proportional to 13,589.62, 18,753.45 and 7,927.66

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Solution

The fourth proportional to 13,589.62, 18,753.45 and 7,927.66 is: 10,940.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.62 : 18,753.45 = 7,927.66 : x
  2. Step 2: Convert to fraction form
    13,589.62/18,753.45 = 7,927.66/x
  3. Step 3: Cross multiply
    13,589.62x = 18,753.45 × 7,927.66
  4. Step 4: Simplify right side
    13,589.62x = 148,670,975.43
  5. Step 5: Solve for x
    x = 148,670,975.43/13,589.62
  6. Step 6: Final answer
    x = 10,940.04

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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.