Home / 13,972.99-20,962.07-4,613.66

Finding the Fourth Proportional to 13,972.99, 20,962.07 and 4,613.66

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Solution

The fourth proportional to 13,972.99, 20,962.07 and 4,613.66 is: 6,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.99 : 20,962.07 = 4,613.66 : x
  2. Step 2: Convert to fraction form
    13,972.99/20,962.07 = 4,613.66/x
  3. Step 3: Cross multiply
    13,972.99x = 20,962.07 × 4,613.66
  4. Step 4: Simplify right side
    13,972.99x = 96,711,863.88
  5. Step 5: Solve for x
    x = 96,711,863.88/13,972.99
  6. Step 6: Final answer
    x = 6,921.34

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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.