Home / 23,143.07-31,939.70-14,067.63

Finding the Fourth Proportional to 23,143.07, 31,939.70 and 14,067.63

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Solution

The fourth proportional to 23,143.07, 31,939.70 and 14,067.63 is: 19,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.07 : 31,939.70 = 14,067.63 : x
  2. Step 2: Convert to fraction form
    23,143.07/31,939.70 = 14,067.63/x
  3. Step 3: Cross multiply
    23,143.07x = 31,939.70 × 14,067.63
  4. Step 4: Simplify right side
    23,143.07x = 449,315,980.53
  5. Step 5: Solve for x
    x = 449,315,980.53/23,143.07
  6. Step 6: Final answer
    x = 19,414.71

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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.