Home / 19,216.06-28,828.54-7,529.38

Finding the Fourth Proportional to 19,216.06, 28,828.54 and 7,529.38

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Solution

The fourth proportional to 19,216.06, 28,828.54 and 7,529.38 is: 11,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.06 : 28,828.54 = 7,529.38 : x
  2. Step 2: Convert to fraction form
    19,216.06/28,828.54 = 7,529.38/x
  3. Step 3: Cross multiply
    19,216.06x = 28,828.54 × 7,529.38
  4. Step 4: Simplify right side
    19,216.06x = 217,061,032.51
  5. Step 5: Solve for x
    x = 217,061,032.51/19,216.06
  6. Step 6: Final answer
    x = 11,295.81

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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.