Home / 13,696.24-18,898.72-8,030.56

Finding the Fourth Proportional to 13,696.24, 18,898.72 and 8,030.56

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Solution

The fourth proportional to 13,696.24, 18,898.72 and 8,030.56 is: 11,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.24 : 18,898.72 = 8,030.56 : x
  2. Step 2: Convert to fraction form
    13,696.24/18,898.72 = 8,030.56/x
  3. Step 3: Cross multiply
    13,696.24x = 18,898.72 × 8,030.56
  4. Step 4: Simplify right side
    13,696.24x = 151,767,304.88
  5. Step 5: Solve for x
    x = 151,767,304.88/13,696.24
  6. Step 6: Final answer
    x = 11,080.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.