Home / 20,591.07-30,862.73-9,474.42

Finding the Fourth Proportional to 20,591.07, 30,862.73 and 9,474.42

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Solution

The fourth proportional to 20,591.07, 30,862.73 and 9,474.42 is: 14,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,591.07 : 30,862.73 = 9,474.42 : x
  2. Step 2: Convert to fraction form
    20,591.07/30,862.73 = 9,474.42/x
  3. Step 3: Cross multiply
    20,591.07x = 30,862.73 × 9,474.42
  4. Step 4: Simplify right side
    20,591.07x = 292,406,418.99
  5. Step 5: Solve for x
    x = 292,406,418.99/20,591.07
  6. Step 6: Final answer
    x = 14,200.64

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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.