Home / 19,777.55-29,650.06-9,242.36

Finding the Fourth Proportional to 19,777.55, 29,650.06 and 9,242.36

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Solution

The fourth proportional to 19,777.55, 29,650.06 and 9,242.36 is: 13,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777.55 : 29,650.06 = 9,242.36 : x
  2. Step 2: Convert to fraction form
    19,777.55/29,650.06 = 9,242.36/x
  3. Step 3: Cross multiply
    19,777.55x = 29,650.06 × 9,242.36
  4. Step 4: Simplify right side
    19,777.55x = 274,036,528.54
  5. Step 5: Solve for x
    x = 274,036,528.54/19,777.55
  6. Step 6: Final answer
    x = 13,855.94

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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.