Home / 19,121.46-26,387.24-10,623.55

Finding the Fourth Proportional to 19,121.46, 26,387.24 and 10,623.55

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Solution

The fourth proportional to 19,121.46, 26,387.24 and 10,623.55 is: 14,660.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.46 : 26,387.24 = 10,623.55 : x
  2. Step 2: Convert to fraction form
    19,121.46/26,387.24 = 10,623.55/x
  3. Step 3: Cross multiply
    19,121.46x = 26,387.24 × 10,623.55
  4. Step 4: Simplify right side
    19,121.46x = 280,326,124.09
  5. Step 5: Solve for x
    x = 280,326,124.09/19,121.46
  6. Step 6: Final answer
    x = 14,660.29

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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.