Home / 18,600.48-25,669.44-10,641.60

Finding the Fourth Proportional to 18,600.48, 25,669.44 and 10,641.60

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Solution

The fourth proportional to 18,600.48, 25,669.44 and 10,641.60 is: 14,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.48 : 25,669.44 = 10,641.60 : x
  2. Step 2: Convert to fraction form
    18,600.48/25,669.44 = 10,641.60/x
  3. Step 3: Cross multiply
    18,600.48x = 25,669.44 × 10,641.60
  4. Step 4: Simplify right side
    18,600.48x = 273,163,912.70
  5. Step 5: Solve for x
    x = 273,163,912.70/18,600.48
  6. Step 6: Final answer
    x = 14,685.85

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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.