Home / 15,670.13-23,506.27-5,137.36

Finding the Fourth Proportional to 15,670.13, 23,506.27 and 5,137.36

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Solution

The fourth proportional to 15,670.13, 23,506.27 and 5,137.36 is: 7,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.13 : 23,506.27 = 5,137.36 : x
  2. Step 2: Convert to fraction form
    15,670.13/23,506.27 = 5,137.36/x
  3. Step 3: Cross multiply
    15,670.13x = 23,506.27 × 5,137.36
  4. Step 4: Simplify right side
    15,670.13x = 120,760,099.64
  5. Step 5: Solve for x
    x = 120,760,099.64/15,670.13
  6. Step 6: Final answer
    x = 7,706.39

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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.