Home / 13,576.03-20,351.50-9,417.99

Finding the Fourth Proportional to 13,576.03, 20,351.50 and 9,417.99

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Solution

The fourth proportional to 13,576.03, 20,351.50 and 9,417.99 is: 14,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.03 : 20,351.50 = 9,417.99 : x
  2. Step 2: Convert to fraction form
    13,576.03/20,351.50 = 9,417.99/x
  3. Step 3: Cross multiply
    13,576.03x = 20,351.50 × 9,417.99
  4. Step 4: Simplify right side
    13,576.03x = 191,670,223.49
  5. Step 5: Solve for x
    x = 191,670,223.49/13,576.03
  6. Step 6: Final answer
    x = 14,118.28

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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.