Home / 19,147.50-26,423.60-11,194.11

Finding the Fourth Proportional to 19,147.50, 26,423.60 and 11,194.11

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Solution

The fourth proportional to 19,147.50, 26,423.60 and 11,194.11 is: 15,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.50 : 26,423.60 = 11,194.11 : x
  2. Step 2: Convert to fraction form
    19,147.50/26,423.60 = 11,194.11/x
  3. Step 3: Cross multiply
    19,147.50x = 26,423.60 × 11,194.11
  4. Step 4: Simplify right side
    19,147.50x = 295,788,629.03
  5. Step 5: Solve for x
    x = 295,788,629.03/19,147.50
  6. Step 6: Final answer
    x = 15,447.90

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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.