Home / 20,795.64-28,699.98-11,846.04

Finding the Fourth Proportional to 20,795.64, 28,699.98 and 11,846.04

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Solution

The fourth proportional to 20,795.64, 28,699.98 and 11,846.04 is: 16,348.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795.64 : 28,699.98 = 11,846.04 : x
  2. Step 2: Convert to fraction form
    20,795.64/28,699.98 = 11,846.04/x
  3. Step 3: Cross multiply
    20,795.64x = 28,699.98 × 11,846.04
  4. Step 4: Simplify right side
    20,795.64x = 339,981,111.08
  5. Step 5: Solve for x
    x = 339,981,111.08/20,795.64
  6. Step 6: Final answer
    x = 16,348.67

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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.