Home / 13,176.24-18,152.42-9,190.24

Finding the Fourth Proportional to 13,176.24, 18,152.42 and 9,190.24

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Solution

The fourth proportional to 13,176.24, 18,152.42 and 9,190.24 is: 12,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.24 : 18,152.42 = 9,190.24 : x
  2. Step 2: Convert to fraction form
    13,176.24/18,152.42 = 9,190.24/x
  3. Step 3: Cross multiply
    13,176.24x = 18,152.42 × 9,190.24
  4. Step 4: Simplify right side
    13,176.24x = 166,825,096.38
  5. Step 5: Solve for x
    x = 166,825,096.38/13,176.24
  6. Step 6: Final answer
    x = 12,661.05

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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.