Home / 36,675.50-55,020.32-15,615.15

Finding the Fourth Proportional to 36,675.50, 55,020.32 and 15,615.15

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Solution

The fourth proportional to 36,675.50, 55,020.32 and 15,615.15 is: 23,425.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,675.50 : 55,020.32 = 15,615.15 : x
  2. Step 2: Convert to fraction form
    36,675.50/55,020.32 = 15,615.15/x
  3. Step 3: Cross multiply
    36,675.50x = 55,020.32 × 15,615.15
  4. Step 4: Simplify right side
    36,675.50x = 859,150,549.85
  5. Step 5: Solve for x
    x = 859,150,549.85/36,675.50
  6. Step 6: Final answer
    x = 23,425.74

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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.