Home / 19,518.24-29,277.20-4,727.22

Finding the Fourth Proportional to 19,518.24, 29,277.20 and 4,727.22

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Solution

The fourth proportional to 19,518.24, 29,277.20 and 4,727.22 is: 7,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.24 : 29,277.20 = 4,727.22 : x
  2. Step 2: Convert to fraction form
    19,518.24/29,277.20 = 4,727.22/x
  3. Step 3: Cross multiply
    19,518.24x = 29,277.20 × 4,727.22
  4. Step 4: Simplify right side
    19,518.24x = 138,399,765.38
  5. Step 5: Solve for x
    x = 138,399,765.38/19,518.24
  6. Step 6: Final answer
    x = 7,090.79

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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.