Home / 14,469.97-19,971.12-8,501.64

Finding the Fourth Proportional to 14,469.97, 19,971.12 and 8,501.64

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Solution

The fourth proportional to 14,469.97, 19,971.12 and 8,501.64 is: 11,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.97 : 19,971.12 = 8,501.64 : x
  2. Step 2: Convert to fraction form
    14,469.97/19,971.12 = 8,501.64/x
  3. Step 3: Cross multiply
    14,469.97x = 19,971.12 × 8,501.64
  4. Step 4: Simplify right side
    14,469.97x = 169,787,201.45
  5. Step 5: Solve for x
    x = 169,787,201.45/14,469.97
  6. Step 6: Final answer
    x = 11,733.76

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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.