Home / 19,098.51-28,618.48-7,999.13

Finding the Fourth Proportional to 19,098.51, 28,618.48 and 7,999.13

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Solution

The fourth proportional to 19,098.51, 28,618.48 and 7,999.13 is: 11,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.51 : 28,618.48 = 7,999.13 : x
  2. Step 2: Convert to fraction form
    19,098.51/28,618.48 = 7,999.13/x
  3. Step 3: Cross multiply
    19,098.51x = 28,618.48 × 7,999.13
  4. Step 4: Simplify right side
    19,098.51x = 228,922,941.92
  5. Step 5: Solve for x
    x = 228,922,941.92/19,098.51
  6. Step 6: Final answer
    x = 11,986.43

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1.5x scale

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.