Home / 13,162.54-19,740.09-3,672.68

Finding the Fourth Proportional to 13,162.54, 19,740.09 and 3,672.68

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Solution

The fourth proportional to 13,162.54, 19,740.09 and 3,672.68 is: 5,507.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162.54 : 19,740.09 = 3,672.68 : x
  2. Step 2: Convert to fraction form
    13,162.54/19,740.09 = 3,672.68/x
  3. Step 3: Cross multiply
    13,162.54x = 19,740.09 × 3,672.68
  4. Step 4: Simplify right side
    13,162.54x = 72,499,033.74
  5. Step 5: Solve for x
    x = 72,499,033.74/13,162.54
  6. Step 6: Final answer
    x = 5,507.98

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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.