Home / 13,544.57-18,692.47-7,576.80

Finding the Fourth Proportional to 13,544.57, 18,692.47 and 7,576.80

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Solution

The fourth proportional to 13,544.57, 18,692.47 and 7,576.80 is: 10,456.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.57 : 18,692.47 = 7,576.80 : x
  2. Step 2: Convert to fraction form
    13,544.57/18,692.47 = 7,576.80/x
  3. Step 3: Cross multiply
    13,544.57x = 18,692.47 × 7,576.80
  4. Step 4: Simplify right side
    13,544.57x = 141,629,106.70
  5. Step 5: Solve for x
    x = 141,629,106.70/13,544.57
  6. Step 6: Final answer
    x = 10,456.52

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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.