Home / 14,845.67-20,488.92-8,558.09

Finding the Fourth Proportional to 14,845.67, 20,488.92 and 8,558.09

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Solution

The fourth proportional to 14,845.67, 20,488.92 and 8,558.09 is: 11,811.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,845.67 : 20,488.92 = 8,558.09 : x
  2. Step 2: Convert to fraction form
    14,845.67/20,488.92 = 8,558.09/x
  3. Step 3: Cross multiply
    14,845.67x = 20,488.92 × 8,558.09
  4. Step 4: Simplify right side
    14,845.67x = 175,346,021.36
  5. Step 5: Solve for x
    x = 175,346,021.36/14,845.67
  6. Step 6: Final answer
    x = 11,811.26

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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.