Home / 19,471.37-29,186.19-13,907.84

Finding the Fourth Proportional to 19,471.37, 29,186.19 and 13,907.84

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Solution

The fourth proportional to 19,471.37, 29,186.19 and 13,907.84 is: 20,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.37 : 29,186.19 = 13,907.84 : x
  2. Step 2: Convert to fraction form
    19,471.37/29,186.19 = 13,907.84/x
  3. Step 3: Cross multiply
    19,471.37x = 29,186.19 × 13,907.84
  4. Step 4: Simplify right side
    19,471.37x = 405,916,714.80
  5. Step 5: Solve for x
    x = 405,916,714.80/19,471.37
  6. Step 6: Final answer
    x = 20,846.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.