Home / 44,420.60-66,642.43-13,255.85

Finding the Fourth Proportional to 44,420.60, 66,642.43 and 13,255.85

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Solution

The fourth proportional to 44,420.60, 66,642.43 and 13,255.85 is: 19,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,420.60 : 66,642.43 = 13,255.85 : x
  2. Step 2: Convert to fraction form
    44,420.60/66,642.43 = 13,255.85/x
  3. Step 3: Cross multiply
    44,420.60x = 66,642.43 × 13,255.85
  4. Step 4: Simplify right side
    44,420.60x = 883,401,755.64
  5. Step 5: Solve for x
    x = 883,401,755.64/44,420.60
  6. Step 6: Final answer
    x = 19,887.21

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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.