Home / 13,751.45-18,977.01-7,463.82

Finding the Fourth Proportional to 13,751.45, 18,977.01 and 7,463.82

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Solution

The fourth proportional to 13,751.45, 18,977.01 and 7,463.82 is: 10,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.45 : 18,977.01 = 7,463.82 : x
  2. Step 2: Convert to fraction form
    13,751.45/18,977.01 = 7,463.82/x
  3. Step 3: Cross multiply
    13,751.45x = 18,977.01 × 7,463.82
  4. Step 4: Simplify right side
    13,751.45x = 141,640,986.78
  5. Step 5: Solve for x
    x = 141,640,986.78/13,751.45
  6. Step 6: Final answer
    x = 10,300.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.