Home / 13,554.19-18,704.88-7,586.41

Finding the Fourth Proportional to 13,554.19, 18,704.88 and 7,586.41

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Solution

The fourth proportional to 13,554.19, 18,704.88 and 7,586.41 is: 10,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.19 : 18,704.88 = 7,586.41 : x
  2. Step 2: Convert to fraction form
    13,554.19/18,704.88 = 7,586.41/x
  3. Step 3: Cross multiply
    13,554.19x = 18,704.88 × 7,586.41
  4. Step 4: Simplify right side
    13,554.19x = 141,902,850.75
  5. Step 5: Solve for x
    x = 141,902,850.75/13,554.19
  6. Step 6: Final answer
    x = 10,469.30

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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.