Home / 19,192.51-28,766.92-11,679.50

Finding the Fourth Proportional to 19,192.51, 28,766.92 and 11,679.50

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Solution

The fourth proportional to 19,192.51, 28,766.92 and 11,679.50 is: 17,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.51 : 28,766.92 = 11,679.50 : x
  2. Step 2: Convert to fraction form
    19,192.51/28,766.92 = 11,679.50/x
  3. Step 3: Cross multiply
    19,192.51x = 28,766.92 × 11,679.50
  4. Step 4: Simplify right side
    19,192.51x = 335,983,039.91
  5. Step 5: Solve for x
    x = 335,983,039.91/19,192.51
  6. Step 6: Final answer
    x = 17,505.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.