Home / 19,812.32-29,719.57-5,021.37

Finding the Fourth Proportional to 19,812.32, 29,719.57 and 5,021.37

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Solution

The fourth proportional to 19,812.32, 29,719.57 and 5,021.37 is: 7,532.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.32 : 29,719.57 = 5,021.37 : x
  2. Step 2: Convert to fraction form
    19,812.32/29,719.57 = 5,021.37/x
  3. Step 3: Cross multiply
    19,812.32x = 29,719.57 × 5,021.37
  4. Step 4: Simplify right side
    19,812.32x = 149,232,856.36
  5. Step 5: Solve for x
    x = 149,232,856.36/19,812.32
  6. Step 6: Final answer
    x = 7,532.33

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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.