Home / 23,149.60-31,945.39-14,195.66

Finding the Fourth Proportional to 23,149.60, 31,945.39 and 14,195.66

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Solution

The fourth proportional to 23,149.60, 31,945.39 and 14,195.66 is: 19,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149.60 : 31,945.39 = 14,195.66 : x
  2. Step 2: Convert to fraction form
    23,149.60/31,945.39 = 14,195.66/x
  3. Step 3: Cross multiply
    23,149.60x = 31,945.39 × 14,195.66
  4. Step 4: Simplify right side
    23,149.60x = 453,485,699.79
  5. Step 5: Solve for x
    x = 453,485,699.79/23,149.60
  6. Step 6: Final answer
    x = 19,589.36

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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.