Home / 13,416.44-20,125.67-3,555.50

Finding the Fourth Proportional to 13,416.44, 20,125.67 and 3,555.50

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Solution

The fourth proportional to 13,416.44, 20,125.67 and 3,555.50 is: 5,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.44 : 20,125.67 = 3,555.50 : x
  2. Step 2: Convert to fraction form
    13,416.44/20,125.67 = 3,555.50/x
  3. Step 3: Cross multiply
    13,416.44x = 20,125.67 × 3,555.50
  4. Step 4: Simplify right side
    13,416.44x = 71,556,701.28
  5. Step 5: Solve for x
    x = 71,556,701.28/13,416.44
  6. Step 6: Final answer
    x = 5,333.51

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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.