Home / 19,281.24-26,603.82-11,731.50

Finding the Fourth Proportional to 19,281.24, 26,603.82 and 11,731.50

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Solution

The fourth proportional to 19,281.24, 26,603.82 and 11,731.50 is: 16,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.24 : 26,603.82 = 11,731.50 : x
  2. Step 2: Convert to fraction form
    19,281.24/26,603.82 = 11,731.50/x
  3. Step 3: Cross multiply
    19,281.24x = 26,603.82 × 11,731.50
  4. Step 4: Simplify right side
    19,281.24x = 312,102,714.33
  5. Step 5: Solve for x
    x = 312,102,714.33/19,281.24
  6. Step 6: Final answer
    x = 16,186.86

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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.