Home / 19,186.60-26,481.59-12,895.33

Finding the Fourth Proportional to 19,186.60, 26,481.59 and 12,895.33

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Solution

The fourth proportional to 19,186.60, 26,481.59 and 12,895.33 is: 17,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.60 : 26,481.59 = 12,895.33 : x
  2. Step 2: Convert to fraction form
    19,186.60/26,481.59 = 12,895.33/x
  3. Step 3: Cross multiply
    19,186.60x = 26,481.59 × 12,895.33
  4. Step 4: Simplify right side
    19,186.60x = 341,488,841.97
  5. Step 5: Solve for x
    x = 341,488,841.97/19,186.60
  6. Step 6: Final answer
    x = 17,798.30

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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.