Home / 19,153.54-26,431.80-11,194.15

Finding the Fourth Proportional to 19,153.54, 26,431.80 and 11,194.15

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Solution

The fourth proportional to 19,153.54, 26,431.80 and 11,194.15 is: 15,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.54 : 26,431.80 = 11,194.15 : x
  2. Step 2: Convert to fraction form
    19,153.54/26,431.80 = 11,194.15/x
  3. Step 3: Cross multiply
    19,153.54x = 26,431.80 × 11,194.15
  4. Step 4: Simplify right side
    19,153.54x = 295,881,533.97
  5. Step 5: Solve for x
    x = 295,881,533.97/19,153.54
  6. Step 6: Final answer
    x = 15,447.88

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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.