Home / 22,948.78-31,664.49-15,002.68

Finding the Fourth Proportional to 22,948.78, 31,664.49 and 15,002.68

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Solution

The fourth proportional to 22,948.78, 31,664.49 and 15,002.68 is: 20,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,948.78 : 31,664.49 = 15,002.68 : x
  2. Step 2: Convert to fraction form
    22,948.78/31,664.49 = 15,002.68/x
  3. Step 3: Cross multiply
    22,948.78x = 31,664.49 × 15,002.68
  4. Step 4: Simplify right side
    22,948.78x = 475,052,210.83
  5. Step 5: Solve for x
    x = 475,052,210.83/22,948.78
  6. Step 6: Final answer
    x = 20,700.54

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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.