Home / 13,708.67-20,561.47-3,848.33

Finding the Fourth Proportional to 13,708.67, 20,561.47 and 3,848.33

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Solution

The fourth proportional to 13,708.67, 20,561.47 and 3,848.33 is: 5,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.67 : 20,561.47 = 3,848.33 : x
  2. Step 2: Convert to fraction form
    13,708.67/20,561.47 = 3,848.33/x
  3. Step 3: Cross multiply
    13,708.67x = 20,561.47 × 3,848.33
  4. Step 4: Simplify right side
    13,708.67x = 79,127,321.85
  5. Step 5: Solve for x
    x = 79,127,321.85/13,708.67
  6. Step 6: Final answer
    x = 5,772.06

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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.