Home / 65,416.97-98,125.56-18,669.85

Finding the Fourth Proportional to 65,416.97, 98,125.56 and 18,669.85

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Solution

The fourth proportional to 65,416.97, 98,125.56 and 18,669.85 is: 28,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,416.97 : 98,125.56 = 18,669.85 : x
  2. Step 2: Convert to fraction form
    65,416.97/98,125.56 = 18,669.85/x
  3. Step 3: Cross multiply
    65,416.97x = 98,125.56 × 18,669.85
  4. Step 4: Simplify right side
    65,416.97x = 1,831,989,241.05
  5. Step 5: Solve for x
    x = 1,831,989,241.05/65,416.97
  6. Step 6: Final answer
    x = 28,004.80

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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.