Home / 13,362.72-20,040.48-5,037.44

Finding the Fourth Proportional to 13,362.72, 20,040.48 and 5,037.44

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Solution

The fourth proportional to 13,362.72, 20,040.48 and 5,037.44 is: 7,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.72 : 20,040.48 = 5,037.44 : x
  2. Step 2: Convert to fraction form
    13,362.72/20,040.48 = 5,037.44/x
  3. Step 3: Cross multiply
    13,362.72x = 20,040.48 × 5,037.44
  4. Step 4: Simplify right side
    13,362.72x = 100,952,715.57
  5. Step 5: Solve for x
    x = 100,952,715.57/13,362.72
  6. Step 6: Final answer
    x = 7,554.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.