Home / 19,907.61-29,795.79-11,009.25

Finding the Fourth Proportional to 19,907.61, 29,795.79 and 11,009.25

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Solution

The fourth proportional to 19,907.61, 29,795.79 and 11,009.25 is: 16,477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907.61 : 29,795.79 = 11,009.25 : x
  2. Step 2: Convert to fraction form
    19,907.61/29,795.79 = 11,009.25/x
  3. Step 3: Cross multiply
    19,907.61x = 29,795.79 × 11,009.25
  4. Step 4: Simplify right side
    19,907.61x = 328,029,246.01
  5. Step 5: Solve for x
    x = 328,029,246.01/19,907.61
  6. Step 6: Final answer
    x = 16,477.58

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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.