Home / 13,075.70-19,613.46-4,311.32

Finding the Fourth Proportional to 13,075.70, 19,613.46 and 4,311.32

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Solution

The fourth proportional to 13,075.70, 19,613.46 and 4,311.32 is: 6,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.70 : 19,613.46 = 4,311.32 : x
  2. Step 2: Convert to fraction form
    13,075.70/19,613.46 = 4,311.32/x
  3. Step 3: Cross multiply
    13,075.70x = 19,613.46 × 4,311.32
  4. Step 4: Simplify right side
    13,075.70x = 84,559,902.37
  5. Step 5: Solve for x
    x = 84,559,902.37/13,075.70
  6. Step 6: Final answer
    x = 6,466.95

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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.