Home / 14,408.75-21,613.13-4,680.75

Finding the Fourth Proportional to 14,408.75, 21,613.13 and 4,680.75

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Solution

The fourth proportional to 14,408.75, 21,613.13 and 4,680.75 is: 7,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.75 : 21,613.13 = 4,680.75 : x
  2. Step 2: Convert to fraction form
    14,408.75/21,613.13 = 4,680.75/x
  3. Step 3: Cross multiply
    14,408.75x = 21,613.13 × 4,680.75
  4. Step 4: Simplify right side
    14,408.75x = 101,165,658.25
  5. Step 5: Solve for x
    x = 101,165,658.25/14,408.75
  6. Step 6: Final answer
    x = 7,021.13

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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.