Home / 19,643.79-29,383.11-16,559.86

Finding the Fourth Proportional to 19,643.79, 29,383.11 and 16,559.86

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Solution

The fourth proportional to 19,643.79, 29,383.11 and 16,559.86 is: 24,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.79 : 29,383.11 = 16,559.86 : x
  2. Step 2: Convert to fraction form
    19,643.79/29,383.11 = 16,559.86/x
  3. Step 3: Cross multiply
    19,643.79x = 29,383.11 × 16,559.86
  4. Step 4: Simplify right side
    19,643.79x = 486,580,187.96
  5. Step 5: Solve for x
    x = 486,580,187.96/19,643.79
  6. Step 6: Final answer
    x = 24,770.18

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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.