Home / 19,051.47-26,449.40-18,481.23

Finding the Fourth Proportional to 19,051.47, 26,449.40 and 18,481.23

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Solution

The fourth proportional to 19,051.47, 26,449.40 and 18,481.23 is: 25,657.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.47 : 26,449.40 = 18,481.23 : x
  2. Step 2: Convert to fraction form
    19,051.47/26,449.40 = 18,481.23/x
  3. Step 3: Cross multiply
    19,051.47x = 26,449.40 × 18,481.23
  4. Step 4: Simplify right side
    19,051.47x = 488,817,490.97
  5. Step 5: Solve for x
    x = 488,817,490.97/19,051.47
  6. Step 6: Final answer
    x = 25,657.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.