Home / 23,112.44-31,894.26-13,039.28

Finding the Fourth Proportional to 23,112.44, 31,894.26 and 13,039.28

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Solution

The fourth proportional to 23,112.44, 31,894.26 and 13,039.28 is: 17,993.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.44 : 31,894.26 = 13,039.28 : x
  2. Step 2: Convert to fraction form
    23,112.44/31,894.26 = 13,039.28/x
  3. Step 3: Cross multiply
    23,112.44x = 31,894.26 × 13,039.28
  4. Step 4: Simplify right side
    23,112.44x = 415,878,186.53
  5. Step 5: Solve for x
    x = 415,878,186.53/23,112.44
  6. Step 6: Final answer
    x = 17,993.69

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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.