Home / 25,951.27-35,813.47-15,879.53

Finding the Fourth Proportional to 25,951.27, 35,813.47 and 15,879.53

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Solution

The fourth proportional to 25,951.27, 35,813.47 and 15,879.53 is: 21,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,951.27 : 35,813.47 = 15,879.53 : x
  2. Step 2: Convert to fraction form
    25,951.27/35,813.47 = 15,879.53/x
  3. Step 3: Cross multiply
    25,951.27x = 35,813.47 × 15,879.53
  4. Step 4: Simplify right side
    25,951.27x = 568,701,071.27
  5. Step 5: Solve for x
    x = 568,701,071.27/25,951.27
  6. Step 6: Final answer
    x = 21,914.19

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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.