Home / 45,016.50-67,525.67-13,851.75

Finding the Fourth Proportional to 45,016.50, 67,525.67 and 13,851.75

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Solution

The fourth proportional to 45,016.50, 67,525.67 and 13,851.75 is: 20,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,016.50 : 67,525.67 = 13,851.75 : x
  2. Step 2: Convert to fraction form
    45,016.50/67,525.67 = 13,851.75/x
  3. Step 3: Cross multiply
    45,016.50x = 67,525.67 × 13,851.75
  4. Step 4: Simplify right side
    45,016.50x = 935,348,630.16
  5. Step 5: Solve for x
    x = 935,348,630.16/45,016.50
  6. Step 6: Final answer
    x = 20,777.91

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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.