Home / 19,908.40-29,881.06-10,054.62

Finding the Fourth Proportional to 19,908.40, 29,881.06 and 10,054.62

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Solution

The fourth proportional to 19,908.40, 29,881.06 and 10,054.62 is: 15,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.40 : 29,881.06 = 10,054.62 : x
  2. Step 2: Convert to fraction form
    19,908.40/29,881.06 = 10,054.62/x
  3. Step 3: Cross multiply
    19,908.40x = 29,881.06 × 10,054.62
  4. Step 4: Simplify right side
    19,908.40x = 300,442,554.09
  5. Step 5: Solve for x
    x = 300,442,554.09/19,908.40
  6. Step 6: Final answer
    x = 15,091.25

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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.