Home / 16,905.51-25,364.34-11,369.36

Finding the Fourth Proportional to 16,905.51, 25,364.34 and 11,369.36

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Solution

The fourth proportional to 16,905.51, 25,364.34 and 11,369.36 is: 17,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.51 : 25,364.34 = 11,369.36 : x
  2. Step 2: Convert to fraction form
    16,905.51/25,364.34 = 11,369.36/x
  3. Step 3: Cross multiply
    16,905.51x = 25,364.34 × 11,369.36
  4. Step 4: Simplify right side
    16,905.51x = 288,376,376.03
  5. Step 5: Solve for x
    x = 288,376,376.03/16,905.51
  6. Step 6: Final answer
    x = 17,058.13

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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.