Home / 15,075.10-22,613.72-3,981.67

Finding the Fourth Proportional to 15,075.10, 22,613.72 and 3,981.67

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Solution

The fourth proportional to 15,075.10, 22,613.72 and 3,981.67 is: 5,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.10 : 22,613.72 = 3,981.67 : x
  2. Step 2: Convert to fraction form
    15,075.10/22,613.72 = 3,981.67/x
  3. Step 3: Cross multiply
    15,075.10x = 22,613.72 × 3,981.67
  4. Step 4: Simplify right side
    15,075.10x = 90,040,454.87
  5. Step 5: Solve for x
    x = 90,040,454.87/15,075.10
  6. Step 6: Final answer
    x = 5,972.79

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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.