Home / 19,447.68-26,838.35-11,893.88

Finding the Fourth Proportional to 19,447.68, 26,838.35 and 11,893.88

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Solution

The fourth proportional to 19,447.68, 26,838.35 and 11,893.88 is: 16,413.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.68 : 26,838.35 = 11,893.88 : x
  2. Step 2: Convert to fraction form
    19,447.68/26,838.35 = 11,893.88/x
  3. Step 3: Cross multiply
    19,447.68x = 26,838.35 × 11,893.88
  4. Step 4: Simplify right side
    19,447.68x = 319,211,920.64
  5. Step 5: Solve for x
    x = 319,211,920.64/19,447.68
  6. Step 6: Final answer
    x = 16,413.88

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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.