Home / 37,075.76-55,616.76-12,115.44

Finding the Fourth Proportional to 37,075.76, 55,616.76 and 12,115.44

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Solution

The fourth proportional to 37,075.76, 55,616.76 and 12,115.44 is: 18,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,075.76 : 55,616.76 = 12,115.44 : x
  2. Step 2: Convert to fraction form
    37,075.76/55,616.76 = 12,115.44/x
  3. Step 3: Cross multiply
    37,075.76x = 55,616.76 × 12,115.44
  4. Step 4: Simplify right side
    37,075.76x = 673,821,518.77
  5. Step 5: Solve for x
    x = 673,821,518.77/37,075.76
  6. Step 6: Final answer
    x = 18,174.18

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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.