Home / 69,025.33-103,542.95-18,424.09

Finding the Fourth Proportional to 69,025.33, 103,542.95 and 18,424.09

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Solution

The fourth proportional to 69,025.33, 103,542.95 and 18,424.09 is: 27,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,025.33 : 103,542.95 = 18,424.09 : x
  2. Step 2: Convert to fraction form
    69,025.33/103,542.95 = 18,424.09/x
  3. Step 3: Cross multiply
    69,025.33x = 103,542.95 × 18,424.09
  4. Step 4: Simplify right side
    69,025.33x = 1,907,684,629.67
  5. Step 5: Solve for x
    x = 1,907,684,629.67/69,025.33
  6. Step 6: Final answer
    x = 27,637.46

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1.5x scale

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.