Home / 13,693.24-20,540.04-4,808.21

Finding the Fourth Proportional to 13,693.24, 20,540.04 and 4,808.21

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Solution

The fourth proportional to 13,693.24, 20,540.04 and 4,808.21 is: 7,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693.24 : 20,540.04 = 4,808.21 : x
  2. Step 2: Convert to fraction form
    13,693.24/20,540.04 = 4,808.21/x
  3. Step 3: Cross multiply
    13,693.24x = 20,540.04 × 4,808.21
  4. Step 4: Simplify right side
    13,693.24x = 98,760,877.08
  5. Step 5: Solve for x
    x = 98,760,877.08/13,693.24
  6. Step 6: Final answer
    x = 7,212.38

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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.