Home / 13,806.37-19,056.23-8,505.73

Finding the Fourth Proportional to 13,806.37, 19,056.23 and 8,505.73

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Solution

The fourth proportional to 13,806.37, 19,056.23 and 8,505.73 is: 11,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.37 : 19,056.23 = 8,505.73 : x
  2. Step 2: Convert to fraction form
    13,806.37/19,056.23 = 8,505.73/x
  3. Step 3: Cross multiply
    13,806.37x = 19,056.23 × 8,505.73
  4. Step 4: Simplify right side
    13,806.37x = 162,087,147.20
  5. Step 5: Solve for x
    x = 162,087,147.20/13,806.37
  6. Step 6: Final answer
    x = 11,740.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.