Home / 19,294.78-26,630.93-11,743.54

Finding the Fourth Proportional to 19,294.78, 26,630.93 and 11,743.54

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Solution

The fourth proportional to 19,294.78, 26,630.93 and 11,743.54 is: 16,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.78 : 26,630.93 = 11,743.54 : x
  2. Step 2: Convert to fraction form
    19,294.78/26,630.93 = 11,743.54/x
  3. Step 3: Cross multiply
    19,294.78x = 26,630.93 × 11,743.54
  4. Step 4: Simplify right side
    19,294.78x = 312,741,391.69
  5. Step 5: Solve for x
    x = 312,741,391.69/19,294.78
  6. Step 6: Final answer
    x = 16,208.60

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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.