Home / 27,380.52-41,054.40-13,312.86

Finding the Fourth Proportional to 27,380.52, 41,054.40 and 13,312.86

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Solution

The fourth proportional to 27,380.52, 41,054.40 and 13,312.86 is: 19,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.52 : 41,054.40 = 13,312.86 : x
  2. Step 2: Convert to fraction form
    27,380.52/41,054.40 = 13,312.86/x
  3. Step 3: Cross multiply
    27,380.52x = 41,054.40 × 13,312.86
  4. Step 4: Simplify right side
    27,380.52x = 546,551,479.58
  5. Step 5: Solve for x
    x = 546,551,479.58/27,380.52
  6. Step 6: Final answer
    x = 19,961.33

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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.