Home / 23,188.88-31,976.44-13,755.62

Finding the Fourth Proportional to 23,188.88, 31,976.44 and 13,755.62

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Solution

The fourth proportional to 23,188.88, 31,976.44 and 13,755.62 is: 18,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,188.88 : 31,976.44 = 13,755.62 : x
  2. Step 2: Convert to fraction form
    23,188.88/31,976.44 = 13,755.62/x
  3. Step 3: Cross multiply
    23,188.88x = 31,976.44 × 13,755.62
  4. Step 4: Simplify right side
    23,188.88x = 439,855,597.71
  5. Step 5: Solve for x
    x = 439,855,597.71/23,188.88
  6. Step 6: Final answer
    x = 18,968.39

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1.5x scale

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.