Home / 44,490.06-66,745.62-13,324.50

Finding the Fourth Proportional to 44,490.06, 66,745.62 and 13,324.50

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Solution

The fourth proportional to 44,490.06, 66,745.62 and 13,324.50 is: 19,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,490.06 : 66,745.62 = 13,324.50 : x
  2. Step 2: Convert to fraction form
    44,490.06/66,745.62 = 13,324.50/x
  3. Step 3: Cross multiply
    44,490.06x = 66,745.62 × 13,324.50
  4. Step 4: Simplify right side
    44,490.06x = 889,352,013.69
  5. Step 5: Solve for x
    x = 889,352,013.69/44,490.06
  6. Step 6: Final answer
    x = 19,989.90

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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.