Home / 13,965.33-20,943.54-4,603.60

Finding the Fourth Proportional to 13,965.33, 20,943.54 and 4,603.60

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Solution

The fourth proportional to 13,965.33, 20,943.54 and 4,603.60 is: 6,903.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.33 : 20,943.54 = 4,603.60 : x
  2. Step 2: Convert to fraction form
    13,965.33/20,943.54 = 4,603.60/x
  3. Step 3: Cross multiply
    13,965.33x = 20,943.54 × 4,603.60
  4. Step 4: Simplify right side
    13,965.33x = 96,415,674.99
  5. Step 5: Solve for x
    x = 96,415,674.99/13,965.33
  6. Step 6: Final answer
    x = 6,903.93

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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.