Home / 25,806.83-35,630.55-19,827.81

Finding the Fourth Proportional to 25,806.83, 35,630.55 and 19,827.81

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Solution

The fourth proportional to 25,806.83, 35,630.55 and 19,827.81 is: 27,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,806.83 : 35,630.55 = 19,827.81 : x
  2. Step 2: Convert to fraction form
    25,806.83/35,630.55 = 19,827.81/x
  3. Step 3: Cross multiply
    25,806.83x = 35,630.55 × 19,827.81
  4. Step 4: Simplify right side
    25,806.83x = 706,475,775.60
  5. Step 5: Solve for x
    x = 706,475,775.60/25,806.83
  6. Step 6: Final answer
    x = 27,375.54

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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.