Home / 14,586.35-20,135.25-9,873.36

Finding the Fourth Proportional to 14,586.35, 20,135.25 and 9,873.36

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Solution

The fourth proportional to 14,586.35, 20,135.25 and 9,873.36 is: 13,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.35 : 20,135.25 = 9,873.36 : x
  2. Step 2: Convert to fraction form
    14,586.35/20,135.25 = 9,873.36/x
  3. Step 3: Cross multiply
    14,586.35x = 20,135.25 × 9,873.36
  4. Step 4: Simplify right side
    14,586.35x = 198,802,571.94
  5. Step 5: Solve for x
    x = 198,802,571.94/14,586.35
  6. Step 6: Final answer
    x = 13,629.36

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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.