Home / 22,654.70-31,262.40-12,583.78

Finding the Fourth Proportional to 22,654.70, 31,262.40 and 12,583.78

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Solution

The fourth proportional to 22,654.70, 31,262.40 and 12,583.78 is: 17,365.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,654.70 : 31,262.40 = 12,583.78 : x
  2. Step 2: Convert to fraction form
    22,654.70/31,262.40 = 12,583.78/x
  3. Step 3: Cross multiply
    22,654.70x = 31,262.40 × 12,583.78
  4. Step 4: Simplify right side
    22,654.70x = 393,399,163.87
  5. Step 5: Solve for x
    x = 393,399,163.87/22,654.70
  6. Step 6: Final answer
    x = 17,365.01

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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.