Home / 12,075.08-18,112.62-9,474.44

Finding the Fourth Proportional to 12,075.08, 18,112.62 and 9,474.44

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Solution

The fourth proportional to 12,075.08, 18,112.62 and 9,474.44 is: 14,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.08 : 18,112.62 = 9,474.44 : x
  2. Step 2: Convert to fraction form
    12,075.08/18,112.62 = 9,474.44/x
  3. Step 3: Cross multiply
    12,075.08x = 18,112.62 × 9,474.44
  4. Step 4: Simplify right side
    12,075.08x = 171,606,931.43
  5. Step 5: Solve for x
    x = 171,606,931.43/12,075.08
  6. Step 6: Final answer
    x = 14,211.66

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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.