Home / 18,517.44-25,554.12-10,133.94

Finding the Fourth Proportional to 18,517.44, 25,554.12 and 10,133.94

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Solution

The fourth proportional to 18,517.44, 25,554.12 and 10,133.94 is: 13,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.44 : 25,554.12 = 10,133.94 : x
  2. Step 2: Convert to fraction form
    18,517.44/25,554.12 = 10,133.94/x
  3. Step 3: Cross multiply
    18,517.44x = 25,554.12 × 10,133.94
  4. Step 4: Simplify right side
    18,517.44x = 258,963,868.16
  5. Step 5: Solve for x
    x = 258,963,868.16/18,517.44
  6. Step 6: Final answer
    x = 13,984.86

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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.