Home / 29,295.33-40,427.56-15,866.64

Finding the Fourth Proportional to 29,295.33, 40,427.56 and 15,866.64

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Solution

The fourth proportional to 29,295.33, 40,427.56 and 15,866.64 is: 21,895.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,295.33 : 40,427.56 = 15,866.64 : x
  2. Step 2: Convert to fraction form
    29,295.33/40,427.56 = 15,866.64/x
  3. Step 3: Cross multiply
    29,295.33x = 40,427.56 × 15,866.64
  4. Step 4: Simplify right side
    29,295.33x = 641,449,540.60
  5. Step 5: Solve for x
    x = 641,449,540.60/29,295.33
  6. Step 6: Final answer
    x = 21,895.97

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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.