Home / 38,414.56-57,623.67-18,669.60

Finding the Fourth Proportional to 38,414.56, 57,623.67 and 18,669.60

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Solution

The fourth proportional to 38,414.56, 57,623.67 and 18,669.60 is: 28,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,414.56 : 57,623.67 = 18,669.60 : x
  2. Step 2: Convert to fraction form
    38,414.56/57,623.67 = 18,669.60/x
  3. Step 3: Cross multiply
    38,414.56x = 57,623.67 × 18,669.60
  4. Step 4: Simplify right side
    38,414.56x = 1,075,810,869.43
  5. Step 5: Solve for x
    x = 1,075,810,869.43/38,414.56
  6. Step 6: Final answer
    x = 28,005.29

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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.