Home / 14,513.72-20,028.54-8,226.68

Finding the Fourth Proportional to 14,513.72, 20,028.54 and 8,226.68

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Solution

The fourth proportional to 14,513.72, 20,028.54 and 8,226.68 is: 11,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.72 : 20,028.54 = 8,226.68 : x
  2. Step 2: Convert to fraction form
    14,513.72/20,028.54 = 8,226.68/x
  3. Step 3: Cross multiply
    14,513.72x = 20,028.54 × 8,226.68
  4. Step 4: Simplify right side
    14,513.72x = 164,768,389.45
  5. Step 5: Solve for x
    x = 164,768,389.45/14,513.72
  6. Step 6: Final answer
    x = 11,352.60

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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.