Home / 22,889.36-31,584.56-12,817.01

Finding the Fourth Proportional to 22,889.36, 31,584.56 and 12,817.01

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Solution

The fourth proportional to 22,889.36, 31,584.56 and 12,817.01 is: 17,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,889.36 : 31,584.56 = 12,817.01 : x
  2. Step 2: Convert to fraction form
    22,889.36/31,584.56 = 12,817.01/x
  3. Step 3: Cross multiply
    22,889.36x = 31,584.56 × 12,817.01
  4. Step 4: Simplify right side
    22,889.36x = 404,819,636.24
  5. Step 5: Solve for x
    x = 404,819,636.24/22,889.36
  6. Step 6: Final answer
    x = 17,685.93

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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.