Home / 13,989.37-19,304.77-8,016.89

Finding the Fourth Proportional to 13,989.37, 19,304.77 and 8,016.89

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Solution

The fourth proportional to 13,989.37, 19,304.77 and 8,016.89 is: 11,062.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989.37 : 19,304.77 = 8,016.89 : x
  2. Step 2: Convert to fraction form
    13,989.37/19,304.77 = 8,016.89/x
  3. Step 3: Cross multiply
    13,989.37x = 19,304.77 × 8,016.89
  4. Step 4: Simplify right side
    13,989.37x = 154,764,177.48
  5. Step 5: Solve for x
    x = 154,764,177.48/13,989.37
  6. Step 6: Final answer
    x = 11,062.98

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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.