Home / 13,975.99-20,964.18-4,113.02

Finding the Fourth Proportional to 13,975.99, 20,964.18 and 4,113.02

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Solution

The fourth proportional to 13,975.99, 20,964.18 and 4,113.02 is: 6,169.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.99 : 20,964.18 = 4,113.02 : x
  2. Step 2: Convert to fraction form
    13,975.99/20,964.18 = 4,113.02/x
  3. Step 3: Cross multiply
    13,975.99x = 20,964.18 × 4,113.02
  4. Step 4: Simplify right side
    13,975.99x = 86,226,091.62
  5. Step 5: Solve for x
    x = 86,226,091.62/13,975.99
  6. Step 6: Final answer
    x = 6,169.59

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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.