Home / 13,733.34-20,603.85-3,872.67

Finding the Fourth Proportional to 13,733.34, 20,603.85 and 3,872.67

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Solution

The fourth proportional to 13,733.34, 20,603.85 and 3,872.67 is: 5,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.34 : 20,603.85 = 3,872.67 : x
  2. Step 2: Convert to fraction form
    13,733.34/20,603.85 = 3,872.67/x
  3. Step 3: Cross multiply
    13,733.34x = 20,603.85 × 3,872.67
  4. Step 4: Simplify right side
    13,733.34x = 79,791,911.78
  5. Step 5: Solve for x
    x = 79,791,911.78/13,733.34
  6. Step 6: Final answer
    x = 5,810.09

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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.