Home / 19,060.25-28,558.79-13,485.97

Finding the Fourth Proportional to 19,060.25, 28,558.79 and 13,485.97

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Solution

The fourth proportional to 19,060.25, 28,558.79 and 13,485.97 is: 20,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,060.25 : 28,558.79 = 13,485.97 : x
  2. Step 2: Convert to fraction form
    19,060.25/28,558.79 = 13,485.97/x
  3. Step 3: Cross multiply
    19,060.25x = 28,558.79 × 13,485.97
  4. Step 4: Simplify right side
    19,060.25x = 385,142,985.18
  5. Step 5: Solve for x
    x = 385,142,985.18/19,060.25
  6. Step 6: Final answer
    x = 20,206.61

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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.