Home / 19,760.49-27,270.27-10,808.37

Finding the Fourth Proportional to 19,760.49, 27,270.27 and 10,808.37

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Solution

The fourth proportional to 19,760.49, 27,270.27 and 10,808.37 is: 14,915.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.49 : 27,270.27 = 10,808.37 : x
  2. Step 2: Convert to fraction form
    19,760.49/27,270.27 = 10,808.37/x
  3. Step 3: Cross multiply
    19,760.49x = 27,270.27 × 10,808.37
  4. Step 4: Simplify right side
    19,760.49x = 294,747,168.16
  5. Step 5: Solve for x
    x = 294,747,168.16/19,760.49
  6. Step 6: Final answer
    x = 14,915.98

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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.