Home / 19,917.46-29,877.54-7,437.25

Finding the Fourth Proportional to 19,917.46, 29,877.54 and 7,437.25

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Solution

The fourth proportional to 19,917.46, 29,877.54 and 7,437.25 is: 11,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.46 : 29,877.54 = 7,437.25 : x
  2. Step 2: Convert to fraction form
    19,917.46/29,877.54 = 7,437.25/x
  3. Step 3: Cross multiply
    19,917.46x = 29,877.54 × 7,437.25
  4. Step 4: Simplify right side
    19,917.46x = 222,206,734.37
  5. Step 5: Solve for x
    x = 222,206,734.37/19,917.46
  6. Step 6: Final answer
    x = 11,156.38

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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.