Home / 18,683.25-25,782.89-10,299.93

Finding the Fourth Proportional to 18,683.25, 25,782.89 and 10,299.93

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Solution

The fourth proportional to 18,683.25, 25,782.89 and 10,299.93 is: 14,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.25 : 25,782.89 = 10,299.93 : x
  2. Step 2: Convert to fraction form
    18,683.25/25,782.89 = 10,299.93/x
  3. Step 3: Cross multiply
    18,683.25x = 25,782.89 × 10,299.93
  4. Step 4: Simplify right side
    18,683.25x = 265,561,910.70
  5. Step 5: Solve for x
    x = 265,561,910.70/18,683.25
  6. Step 6: Final answer
    x = 14,213.90

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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.