Home / 14,550.03-20,078.28-8,262

Finding the Fourth Proportional to 14,550.03, 20,078.28 and 8,262

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Solution

The fourth proportional to 14,550.03, 20,078.28 and 8,262 is: 11,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.03 : 20,078.28 = 8,262 : x
  2. Step 2: Convert to fraction form
    14,550.03/20,078.28 = 8,262/x
  3. Step 3: Cross multiply
    14,550.03x = 20,078.28 × 8,262
  4. Step 4: Simplify right side
    14,550.03x = 165,886,749.36
  5. Step 5: Solve for x
    x = 165,886,749.36/14,550.03
  6. Step 6: Final answer
    x = 11,401.13

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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.