Home / 14,550.24-20,078.80-8,262.16

Finding the Fourth Proportional to 14,550.24, 20,078.80 and 8,262.16

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Solution

The fourth proportional to 14,550.24, 20,078.80 and 8,262.16 is: 11,401.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.24 : 20,078.80 = 8,262.16 : x
  2. Step 2: Convert to fraction form
    14,550.24/20,078.80 = 8,262.16/x
  3. Step 3: Cross multiply
    14,550.24x = 20,078.80 × 8,262.16
  4. Step 4: Simplify right side
    14,550.24x = 165,894,258.21
  5. Step 5: Solve for x
    x = 165,894,258.21/14,550.24
  6. Step 6: Final answer
    x = 11,401.48

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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.