Home / 19,284.35-26,609.36-11,219.81

Finding the Fourth Proportional to 19,284.35, 26,609.36 and 11,219.81

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Solution

The fourth proportional to 19,284.35, 26,609.36 and 11,219.81 is: 15,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.35 : 26,609.36 = 11,219.81 : x
  2. Step 2: Convert to fraction form
    19,284.35/26,609.36 = 11,219.81/x
  3. Step 3: Cross multiply
    19,284.35x = 26,609.36 × 11,219.81
  4. Step 4: Simplify right side
    19,284.35x = 298,551,774.28
  5. Step 5: Solve for x
    x = 298,551,774.28/19,284.35
  6. Step 6: Final answer
    x = 15,481.56

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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.