Home / 18,865.03-26,045.93-11,702.56

Finding the Fourth Proportional to 18,865.03, 26,045.93 and 11,702.56

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Solution

The fourth proportional to 18,865.03, 26,045.93 and 11,702.56 is: 16,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865.03 : 26,045.93 = 11,702.56 : x
  2. Step 2: Convert to fraction form
    18,865.03/26,045.93 = 11,702.56/x
  3. Step 3: Cross multiply
    18,865.03x = 26,045.93 × 11,702.56
  4. Step 4: Simplify right side
    18,865.03x = 304,804,058.58
  5. Step 5: Solve for x
    x = 304,804,058.58/18,865.03
  6. Step 6: Final answer
    x = 16,157.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.