Home / 13,707.54-20,556.68-6,307.97

Finding the Fourth Proportional to 13,707.54, 20,556.68 and 6,307.97

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Solution

The fourth proportional to 13,707.54, 20,556.68 and 6,307.97 is: 9,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.54 : 20,556.68 = 6,307.97 : x
  2. Step 2: Convert to fraction form
    13,707.54/20,556.68 = 6,307.97/x
  3. Step 3: Cross multiply
    13,707.54x = 20,556.68 × 6,307.97
  4. Step 4: Simplify right side
    13,707.54x = 129,670,786.42
  5. Step 5: Solve for x
    x = 129,670,786.42/13,707.54
  6. Step 6: Final answer
    x = 9,459.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.