Home / 19,203.96-28,788.66-9,941.88

Finding the Fourth Proportional to 19,203.96, 28,788.66 and 9,941.88

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Solution

The fourth proportional to 19,203.96, 28,788.66 and 9,941.88 is: 14,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,203.96 : 28,788.66 = 9,941.88 : x
  2. Step 2: Convert to fraction form
    19,203.96/28,788.66 = 9,941.88/x
  3. Step 3: Cross multiply
    19,203.96x = 28,788.66 × 9,941.88
  4. Step 4: Simplify right side
    19,203.96x = 286,213,403.08
  5. Step 5: Solve for x
    x = 286,213,403.08/19,203.96
  6. Step 6: Final answer
    x = 14,903.87

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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.