Home / 18,662.37-25,786.86-14,916.45

Finding the Fourth Proportional to 18,662.37, 25,786.86 and 14,916.45

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Solution

The fourth proportional to 18,662.37, 25,786.86 and 14,916.45 is: 20,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662.37 : 25,786.86 = 14,916.45 : x
  2. Step 2: Convert to fraction form
    18,662.37/25,786.86 = 14,916.45/x
  3. Step 3: Cross multiply
    18,662.37x = 25,786.86 × 14,916.45
  4. Step 4: Simplify right side
    18,662.37x = 384,648,448.61
  5. Step 5: Solve for x
    x = 384,648,448.61/18,662.37
  6. Step 6: Final answer
    x = 20,610.92

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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.