Home / 44,145.72-66,221.82-12,982.32

Finding the Fourth Proportional to 44,145.72, 66,221.82 and 12,982.32

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Solution

The fourth proportional to 44,145.72, 66,221.82 and 12,982.32 is: 19,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,145.72 : 66,221.82 = 12,982.32 : x
  2. Step 2: Convert to fraction form
    44,145.72/66,221.82 = 12,982.32/x
  3. Step 3: Cross multiply
    44,145.72x = 66,221.82 × 12,982.32
  4. Step 4: Simplify right side
    44,145.72x = 859,712,858.22
  5. Step 5: Solve for x
    x = 859,712,858.22/44,145.72
  6. Step 6: Final answer
    x = 19,474.43

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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.