Home / 22,583.89-31,164.41-12,511.60

Finding the Fourth Proportional to 22,583.89, 31,164.41 and 12,511.60

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Solution

The fourth proportional to 22,583.89, 31,164.41 and 12,511.60 is: 17,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,583.89 : 31,164.41 = 12,511.60 : x
  2. Step 2: Convert to fraction form
    22,583.89/31,164.41 = 12,511.60/x
  3. Step 3: Cross multiply
    22,583.89x = 31,164.41 × 12,511.60
  4. Step 4: Simplify right side
    22,583.89x = 389,916,577.56
  5. Step 5: Solve for x
    x = 389,916,577.56/22,583.89
  6. Step 6: Final answer
    x = 17,265.26

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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.