Home / 14,867.39-20,516.83-8,153

Finding the Fourth Proportional to 14,867.39, 20,516.83 and 8,153

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Solution

The fourth proportional to 14,867.39, 20,516.83 and 8,153 is: 11,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,867.39 : 20,516.83 = 8,153 : x
  2. Step 2: Convert to fraction form
    14,867.39/20,516.83 = 8,153/x
  3. Step 3: Cross multiply
    14,867.39x = 20,516.83 × 8,153
  4. Step 4: Simplify right side
    14,867.39x = 167,273,714.99
  5. Step 5: Solve for x
    x = 167,273,714.99/14,867.39
  6. Step 6: Final answer
    x = 11,251.05

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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.