Home / 13,182.21-19,775.06-4,868.07

Finding the Fourth Proportional to 13,182.21, 19,775.06 and 4,868.07

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Solution

The fourth proportional to 13,182.21, 19,775.06 and 4,868.07 is: 7,302.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.21 : 19,775.06 = 4,868.07 : x
  2. Step 2: Convert to fraction form
    13,182.21/19,775.06 = 4,868.07/x
  3. Step 3: Cross multiply
    13,182.21x = 19,775.06 × 4,868.07
  4. Step 4: Simplify right side
    13,182.21x = 96,266,351.99
  5. Step 5: Solve for x
    x = 96,266,351.99/13,182.21
  6. Step 6: Final answer
    x = 7,302.75

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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.