Home / 25,448.89-38,172.71-9,866.52

Finding the Fourth Proportional to 25,448.89, 38,172.71 and 9,866.52

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Solution

The fourth proportional to 25,448.89, 38,172.71 and 9,866.52 is: 14,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.89 : 38,172.71 = 9,866.52 : x
  2. Step 2: Convert to fraction form
    25,448.89/38,172.71 = 9,866.52/x
  3. Step 3: Cross multiply
    25,448.89x = 38,172.71 × 9,866.52
  4. Step 4: Simplify right side
    25,448.89x = 376,631,806.67
  5. Step 5: Solve for x
    x = 376,631,806.67/25,448.89
  6. Step 6: Final answer
    x = 14,799.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.