Home / 13,794.69-19,035.35-7,743.54

Finding the Fourth Proportional to 13,794.69, 19,035.35 and 7,743.54

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Solution

The fourth proportional to 13,794.69, 19,035.35 and 7,743.54 is: 10,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.69 : 19,035.35 = 7,743.54 : x
  2. Step 2: Convert to fraction form
    13,794.69/19,035.35 = 7,743.54/x
  3. Step 3: Cross multiply
    13,794.69x = 19,035.35 × 7,743.54
  4. Step 4: Simplify right side
    13,794.69x = 147,400,984.46
  5. Step 5: Solve for x
    x = 147,400,984.46/13,794.69
  6. Step 6: Final answer
    x = 10,685.35

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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.