Home / 19,863.24-27,396.08-13,494.74

Finding the Fourth Proportional to 19,863.24, 27,396.08 and 13,494.74

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Solution

The fourth proportional to 19,863.24, 27,396.08 and 13,494.74 is: 18,612.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.24 : 27,396.08 = 13,494.74 : x
  2. Step 2: Convert to fraction form
    19,863.24/27,396.08 = 13,494.74/x
  3. Step 3: Cross multiply
    19,863.24x = 27,396.08 × 13,494.74
  4. Step 4: Simplify right side
    19,863.24x = 369,702,976.62
  5. Step 5: Solve for x
    x = 369,702,976.62/19,863.24
  6. Step 6: Final answer
    x = 18,612.42

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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.