Home / 18,075.98-27,113.18-4,928.36

Finding the Fourth Proportional to 18,075.98, 27,113.18 and 4,928.36

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Solution

The fourth proportional to 18,075.98, 27,113.18 and 4,928.36 is: 7,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.98 : 27,113.18 = 4,928.36 : x
  2. Step 2: Convert to fraction form
    18,075.98/27,113.18 = 4,928.36/x
  3. Step 3: Cross multiply
    18,075.98x = 27,113.18 × 4,928.36
  4. Step 4: Simplify right side
    18,075.98x = 133,623,351.58
  5. Step 5: Solve for x
    x = 133,623,351.58/18,075.98
  6. Step 6: Final answer
    x = 7,392.31

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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.