Home / 14,823.96-20,453.62-8,857.56

Finding the Fourth Proportional to 14,823.96, 20,453.62 and 8,857.56

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Solution

The fourth proportional to 14,823.96, 20,453.62 and 8,857.56 is: 12,221.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,823.96 : 20,453.62 = 8,857.56 : x
  2. Step 2: Convert to fraction form
    14,823.96/20,453.62 = 8,857.56/x
  3. Step 3: Cross multiply
    14,823.96x = 20,453.62 × 8,857.56
  4. Step 4: Simplify right side
    14,823.96x = 181,169,166.37
  5. Step 5: Solve for x
    x = 181,169,166.37/14,823.96
  6. Step 6: Final answer
    x = 12,221.37

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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.