Home / 13,992.22-19,309.08-7,704.46

Finding the Fourth Proportional to 13,992.22, 19,309.08 and 7,704.46

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Solution

The fourth proportional to 13,992.22, 19,309.08 and 7,704.46 is: 10,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.22 : 19,309.08 = 7,704.46 : x
  2. Step 2: Convert to fraction form
    13,992.22/19,309.08 = 7,704.46/x
  3. Step 3: Cross multiply
    13,992.22x = 19,309.08 × 7,704.46
  4. Step 4: Simplify right side
    13,992.22x = 148,766,034.50
  5. Step 5: Solve for x
    x = 148,766,034.50/13,992.22
  6. Step 6: Final answer
    x = 10,632.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.