Home / 14,171.63-21,257.51-3,783.38

Finding the Fourth Proportional to 14,171.63, 21,257.51 and 3,783.38

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Solution

The fourth proportional to 14,171.63, 21,257.51 and 3,783.38 is: 5,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.63 : 21,257.51 = 3,783.38 : x
  2. Step 2: Convert to fraction form
    14,171.63/21,257.51 = 3,783.38/x
  3. Step 3: Cross multiply
    14,171.63x = 21,257.51 × 3,783.38
  4. Step 4: Simplify right side
    14,171.63x = 80,425,112.98
  5. Step 5: Solve for x
    x = 80,425,112.98/14,171.63
  6. Step 6: Final answer
    x = 5,675.08

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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.