Home / 14,313.60-21,475.26-12,933.36

Finding the Fourth Proportional to 14,313.60, 21,475.26 and 12,933.36

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Solution

The fourth proportional to 14,313.60, 21,475.26 and 12,933.36 is: 19,404.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.60 : 21,475.26 = 12,933.36 : x
  2. Step 2: Convert to fraction form
    14,313.60/21,475.26 = 12,933.36/x
  3. Step 3: Cross multiply
    14,313.60x = 21,475.26 × 12,933.36
  4. Step 4: Simplify right side
    14,313.60x = 277,747,268.67
  5. Step 5: Solve for x
    x = 277,747,268.67/14,313.60
  6. Step 6: Final answer
    x = 19,404.43

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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.