Home / 15,542.10-23,312.73-3,855.18

Finding the Fourth Proportional to 15,542.10, 23,312.73 and 3,855.18

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Solution

The fourth proportional to 15,542.10, 23,312.73 and 3,855.18 is: 5,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.10 : 23,312.73 = 3,855.18 : x
  2. Step 2: Convert to fraction form
    15,542.10/23,312.73 = 3,855.18/x
  3. Step 3: Cross multiply
    15,542.10x = 23,312.73 × 3,855.18
  4. Step 4: Simplify right side
    15,542.10x = 89,874,770.44
  5. Step 5: Solve for x
    x = 89,874,770.44/15,542.10
  6. Step 6: Final answer
    x = 5,782.67

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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.