Home / 14,273.65-21,408.59-6,480.67

Finding the Fourth Proportional to 14,273.65, 21,408.59 and 6,480.67

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Solution

The fourth proportional to 14,273.65, 21,408.59 and 6,480.67 is: 9,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.65 : 21,408.59 = 6,480.67 : x
  2. Step 2: Convert to fraction form
    14,273.65/21,408.59 = 6,480.67/x
  3. Step 3: Cross multiply
    14,273.65x = 21,408.59 × 6,480.67
  4. Step 4: Simplify right side
    14,273.65x = 138,741,974.55
  5. Step 5: Solve for x
    x = 138,741,974.55/14,273.65
  6. Step 6: Final answer
    x = 9,720.15

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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.