Home / 19,807.56-29,712.39-5,016.60

Finding the Fourth Proportional to 19,807.56, 29,712.39 and 5,016.60

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Solution

The fourth proportional to 19,807.56, 29,712.39 and 5,016.60 is: 7,525.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.56 : 29,712.39 = 5,016.60 : x
  2. Step 2: Convert to fraction form
    19,807.56/29,712.39 = 5,016.60/x
  3. Step 3: Cross multiply
    19,807.56x = 29,712.39 × 5,016.60
  4. Step 4: Simplify right side
    19,807.56x = 149,055,175.67
  5. Step 5: Solve for x
    x = 149,055,175.67/19,807.56
  6. Step 6: Final answer
    x = 7,525.17

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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.