Home / 65,540.02-98,309.86-18,792.88

Finding the Fourth Proportional to 65,540.02, 98,309.86 and 18,792.88

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Solution

The fourth proportional to 65,540.02, 98,309.86 and 18,792.88 is: 28,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,540.02 : 98,309.86 = 18,792.88 : x
  2. Step 2: Convert to fraction form
    65,540.02/98,309.86 = 18,792.88/x
  3. Step 3: Cross multiply
    65,540.02x = 98,309.86 × 18,792.88
  4. Step 4: Simplify right side
    65,540.02x = 1,847,525,401.80
  5. Step 5: Solve for x
    x = 1,847,525,401.80/65,540.02
  6. Step 6: Final answer
    x = 28,189.27

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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.