Home / 19,775.31-27,289.97-10,823.39

Finding the Fourth Proportional to 19,775.31, 27,289.97 and 10,823.39

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Solution

The fourth proportional to 19,775.31, 27,289.97 and 10,823.39 is: 14,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.31 : 27,289.97 = 10,823.39 : x
  2. Step 2: Convert to fraction form
    19,775.31/27,289.97 = 10,823.39/x
  3. Step 3: Cross multiply
    19,775.31x = 27,289.97 × 10,823.39
  4. Step 4: Simplify right side
    19,775.31x = 295,370,078.39
  5. Step 5: Solve for x
    x = 295,370,078.39/19,775.31
  6. Step 6: Final answer
    x = 14,936.30

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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.