Home / 13,276.13-19,907.70-7,576.43

Finding the Fourth Proportional to 13,276.13, 19,907.70 and 7,576.43

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Solution

The fourth proportional to 13,276.13, 19,907.70 and 7,576.43 is: 11,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.13 : 19,907.70 = 7,576.43 : x
  2. Step 2: Convert to fraction form
    13,276.13/19,907.70 = 7,576.43/x
  3. Step 3: Cross multiply
    13,276.13x = 19,907.70 × 7,576.43
  4. Step 4: Simplify right side
    13,276.13x = 150,829,295.51
  5. Step 5: Solve for x
    x = 150,829,295.51/13,276.13
  6. Step 6: Final answer
    x = 11,360.94

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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.