Home / 19,187.20-26,479.59-11,634.22

Finding the Fourth Proportional to 19,187.20, 26,479.59 and 11,634.22

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Solution

The fourth proportional to 19,187.20, 26,479.59 and 11,634.22 is: 16,055.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.20 : 26,479.59 = 11,634.22 : x
  2. Step 2: Convert to fraction form
    19,187.20/26,479.59 = 11,634.22/x
  3. Step 3: Cross multiply
    19,187.20x = 26,479.59 × 11,634.22
  4. Step 4: Simplify right side
    19,187.20x = 308,069,375.57
  5. Step 5: Solve for x
    x = 308,069,375.57/19,187.20
  6. Step 6: Final answer
    x = 16,055.98

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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.