Home / 12,369.45-18,555.92-4,050.14

Finding the Fourth Proportional to 12,369.45, 18,555.92 and 4,050.14

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Solution

The fourth proportional to 12,369.45, 18,555.92 and 4,050.14 is: 6,075.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.45 : 18,555.92 = 4,050.14 : x
  2. Step 2: Convert to fraction form
    12,369.45/18,555.92 = 4,050.14/x
  3. Step 3: Cross multiply
    12,369.45x = 18,555.92 × 4,050.14
  4. Step 4: Simplify right side
    12,369.45x = 75,154,073.83
  5. Step 5: Solve for x
    x = 75,154,073.83/12,369.45
  6. Step 6: Final answer
    x = 6,075.78

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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.