Home / 19,812.15-29,718.27-5,021.07

Finding the Fourth Proportional to 19,812.15, 29,718.27 and 5,021.07

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Solution

The fourth proportional to 19,812.15, 29,718.27 and 5,021.07 is: 7,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.15 : 29,718.27 = 5,021.07 : x
  2. Step 2: Convert to fraction form
    19,812.15/29,718.27 = 5,021.07/x
  3. Step 3: Cross multiply
    19,812.15x = 29,718.27 × 5,021.07
  4. Step 4: Simplify right side
    19,812.15x = 149,217,513.95
  5. Step 5: Solve for x
    x = 149,217,513.95/19,812.15
  6. Step 6: Final answer
    x = 7,531.62

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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.