Home / 13,156.44-19,704.89-9,225.14

Finding the Fourth Proportional to 13,156.44, 19,704.89 and 9,225.14

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Solution

The fourth proportional to 13,156.44, 19,704.89 and 9,225.14 is: 13,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.44 : 19,704.89 = 9,225.14 : x
  2. Step 2: Convert to fraction form
    13,156.44/19,704.89 = 9,225.14/x
  3. Step 3: Cross multiply
    13,156.44x = 19,704.89 × 9,225.14
  4. Step 4: Simplify right side
    13,156.44x = 181,780,224.28
  5. Step 5: Solve for x
    x = 181,780,224.28/13,156.44
  6. Step 6: Final answer
    x = 13,816.82

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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.