Home / 22,583.78-31,170.79-15,030.43

Finding the Fourth Proportional to 22,583.78, 31,170.79 and 15,030.43

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Solution

The fourth proportional to 22,583.78, 31,170.79 and 15,030.43 is: 20,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,583.78 : 31,170.79 = 15,030.43 : x
  2. Step 2: Convert to fraction form
    22,583.78/31,170.79 = 15,030.43/x
  3. Step 3: Cross multiply
    22,583.78x = 31,170.79 × 15,030.43
  4. Step 4: Simplify right side
    22,583.78x = 468,510,318.00
  5. Step 5: Solve for x
    x = 468,510,318.00/22,583.78
  6. Step 6: Final answer
    x = 20,745.44

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1.5x scale

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.