Home / 19,391.60-26,759.69-11,850.55

Finding the Fourth Proportional to 19,391.60, 26,759.69 and 11,850.55

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Solution

The fourth proportional to 19,391.60, 26,759.69 and 11,850.55 is: 16,353.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.60 : 26,759.69 = 11,850.55 : x
  2. Step 2: Convert to fraction form
    19,391.60/26,759.69 = 11,850.55/x
  3. Step 3: Cross multiply
    19,391.60x = 26,759.69 × 11,850.55
  4. Step 4: Simplify right side
    19,391.60x = 317,117,044.33
  5. Step 5: Solve for x
    x = 317,117,044.33/19,391.60
  6. Step 6: Final answer
    x = 16,353.32

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Half scale
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Double scale
Find fourth proportional to 19,392.60, 26,761.07 and 11,851.55
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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.