Home / 19,112.09-26,377.20-10,728.59

Finding the Fourth Proportional to 19,112.09, 26,377.20 and 10,728.59

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Solution

The fourth proportional to 19,112.09, 26,377.20 and 10,728.59 is: 14,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.09 : 26,377.20 = 10,728.59 : x
  2. Step 2: Convert to fraction form
    19,112.09/26,377.20 = 10,728.59/x
  3. Step 3: Cross multiply
    19,112.09x = 26,377.20 × 10,728.59
  4. Step 4: Simplify right side
    19,112.09x = 282,990,032.26
  5. Step 5: Solve for x
    x = 282,990,032.26/19,112.09
  6. Step 6: Final answer
    x = 14,806.86

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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.