Home / 15,268.44-21,076.80-10,495.23

Finding the Fourth Proportional to 15,268.44, 21,076.80 and 10,495.23

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Solution

The fourth proportional to 15,268.44, 21,076.80 and 10,495.23 is: 14,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.44 : 21,076.80 = 10,495.23 : x
  2. Step 2: Convert to fraction form
    15,268.44/21,076.80 = 10,495.23/x
  3. Step 3: Cross multiply
    15,268.44x = 21,076.80 × 10,495.23
  4. Step 4: Simplify right side
    15,268.44x = 221,205,863.66
  5. Step 5: Solve for x
    x = 221,205,863.66/15,268.44
  6. Step 6: Final answer
    x = 14,487.78

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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.