Home / 19,376.66-26,733.90-11,415.98

Finding the Fourth Proportional to 19,376.66, 26,733.90 and 11,415.98

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Solution

The fourth proportional to 19,376.66, 26,733.90 and 11,415.98 is: 15,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.66 : 26,733.90 = 11,415.98 : x
  2. Step 2: Convert to fraction form
    19,376.66/26,733.90 = 11,415.98/x
  3. Step 3: Cross multiply
    19,376.66x = 26,733.90 × 11,415.98
  4. Step 4: Simplify right side
    19,376.66x = 305,193,667.72
  5. Step 5: Solve for x
    x = 305,193,667.72/19,376.66
  6. Step 6: Final answer
    x = 15,750.58

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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.