Home / 19,561.44-26,992.71-12,008.05

Finding the Fourth Proportional to 19,561.44, 26,992.71 and 12,008.05

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Solution

The fourth proportional to 19,561.44, 26,992.71 and 12,008.05 is: 16,569.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.44 : 26,992.71 = 12,008.05 : x
  2. Step 2: Convert to fraction form
    19,561.44/26,992.71 = 12,008.05/x
  3. Step 3: Cross multiply
    19,561.44x = 26,992.71 × 12,008.05
  4. Step 4: Simplify right side
    19,561.44x = 324,129,811.32
  5. Step 5: Solve for x
    x = 324,129,811.32/19,561.44
  6. Step 6: Final answer
    x = 16,569.83

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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.