Home / 17,150.12-23,677.80-13,163.60

Finding the Fourth Proportional to 17,150.12, 23,677.80 and 13,163.60

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Solution

The fourth proportional to 17,150.12, 23,677.80 and 13,163.60 is: 18,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,150.12 : 23,677.80 = 13,163.60 : x
  2. Step 2: Convert to fraction form
    17,150.12/23,677.80 = 13,163.60/x
  3. Step 3: Cross multiply
    17,150.12x = 23,677.80 × 13,163.60
  4. Step 4: Simplify right side
    17,150.12x = 311,685,088.08
  5. Step 5: Solve for x
    x = 311,685,088.08/17,150.12
  6. Step 6: Final answer
    x = 18,173.93

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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.