Home / 19,391.75-26,762.22-11,435.52

Finding the Fourth Proportional to 19,391.75, 26,762.22 and 11,435.52

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Solution

The fourth proportional to 19,391.75, 26,762.22 and 11,435.52 is: 15,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.75 : 26,762.22 = 11,435.52 : x
  2. Step 2: Convert to fraction form
    19,391.75/26,762.22 = 11,435.52/x
  3. Step 3: Cross multiply
    19,391.75x = 26,762.22 × 11,435.52
  4. Step 4: Simplify right side
    19,391.75x = 306,039,902.05
  5. Step 5: Solve for x
    x = 306,039,902.05/19,391.75
  6. Step 6: Final answer
    x = 15,781.97

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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.