Home / 19,622.21-29,424.08-7,133.42

Finding the Fourth Proportional to 19,622.21, 29,424.08 and 7,133.42

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Solution

The fourth proportional to 19,622.21, 29,424.08 and 7,133.42 is: 10,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.21 : 29,424.08 = 7,133.42 : x
  2. Step 2: Convert to fraction form
    19,622.21/29,424.08 = 7,133.42/x
  3. Step 3: Cross multiply
    19,622.21x = 29,424.08 × 7,133.42
  4. Step 4: Simplify right side
    19,622.21x = 209,894,412.15
  5. Step 5: Solve for x
    x = 209,894,412.15/19,622.21
  6. Step 6: Final answer
    x = 10,696.78

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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.