Home / 19,186.35-26,481.25-12,895.08

Finding the Fourth Proportional to 19,186.35, 26,481.25 and 12,895.08

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Solution

The fourth proportional to 19,186.35, 26,481.25 and 12,895.08 is: 17,797.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.35 : 26,481.25 = 12,895.08 : x
  2. Step 2: Convert to fraction form
    19,186.35/26,481.25 = 12,895.08/x
  3. Step 3: Cross multiply
    19,186.35x = 26,481.25 × 12,895.08
  4. Step 4: Simplify right side
    19,186.35x = 341,477,837.25
  5. Step 5: Solve for x
    x = 341,477,837.25/19,186.35
  6. Step 6: Final answer
    x = 17,797.96

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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.