Home / 19,486.78-26,885.19-11,097.34

Finding the Fourth Proportional to 19,486.78, 26,885.19 and 11,097.34

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Solution

The fourth proportional to 19,486.78, 26,885.19 and 11,097.34 is: 15,310.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.78 : 26,885.19 = 11,097.34 : x
  2. Step 2: Convert to fraction form
    19,486.78/26,885.19 = 11,097.34/x
  3. Step 3: Cross multiply
    19,486.78x = 26,885.19 × 11,097.34
  4. Step 4: Simplify right side
    19,486.78x = 298,354,094.39
  5. Step 5: Solve for x
    x = 298,354,094.39/19,486.78
  6. Step 6: Final answer
    x = 15,310.59

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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.