Home / 18,584.50-25,640.33-10,621.05

Finding the Fourth Proportional to 18,584.50, 25,640.33 and 10,621.05

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Solution

The fourth proportional to 18,584.50, 25,640.33 and 10,621.05 is: 14,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.50 : 25,640.33 = 10,621.05 : x
  2. Step 2: Convert to fraction form
    18,584.50/25,640.33 = 10,621.05/x
  3. Step 3: Cross multiply
    18,584.50x = 25,640.33 × 10,621.05
  4. Step 4: Simplify right side
    18,584.50x = 272,327,173.84
  5. Step 5: Solve for x
    x = 272,327,173.84/18,584.50
  6. Step 6: Final answer
    x = 14,653.46

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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.