Home / 19,069.29-28,612.17-11,278.17

Finding the Fourth Proportional to 19,069.29, 28,612.17 and 11,278.17

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Solution

The fourth proportional to 19,069.29, 28,612.17 and 11,278.17 is: 16,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.29 : 28,612.17 = 11,278.17 : x
  2. Step 2: Convert to fraction form
    19,069.29/28,612.17 = 11,278.17/x
  3. Step 3: Cross multiply
    19,069.29x = 28,612.17 × 11,278.17
  4. Step 4: Simplify right side
    19,069.29x = 322,692,917.33
  5. Step 5: Solve for x
    x = 322,692,917.33/19,069.29
  6. Step 6: Final answer
    x = 16,922.13

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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.