Home / 13,973.84-20,965.10-4,845.86

Finding the Fourth Proportional to 13,973.84, 20,965.10 and 4,845.86

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Solution

The fourth proportional to 13,973.84, 20,965.10 and 4,845.86 is: 7,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.84 : 20,965.10 = 4,845.86 : x
  2. Step 2: Convert to fraction form
    13,973.84/20,965.10 = 4,845.86/x
  3. Step 3: Cross multiply
    13,973.84x = 20,965.10 × 4,845.86
  4. Step 4: Simplify right side
    13,973.84x = 101,593,939.49
  5. Step 5: Solve for x
    x = 101,593,939.49/13,973.84
  6. Step 6: Final answer
    x = 7,270.30

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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.