Home / 19,155.96-26,431.26-11,196.62

Finding the Fourth Proportional to 19,155.96, 26,431.26 and 11,196.62

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Solution

The fourth proportional to 19,155.96, 26,431.26 and 11,196.62 is: 15,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.96 : 26,431.26 = 11,196.62 : x
  2. Step 2: Convert to fraction form
    19,155.96/26,431.26 = 11,196.62/x
  3. Step 3: Cross multiply
    19,155.96x = 26,431.26 × 11,196.62
  4. Step 4: Simplify right side
    19,155.96x = 295,940,774.34
  5. Step 5: Solve for x
    x = 295,940,774.34/19,155.96
  6. Step 6: Final answer
    x = 15,449.02

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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.