Home / 20,385.88-30,583.07-6,154.63

Finding the Fourth Proportional to 20,385.88, 30,583.07 and 6,154.63

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Solution

The fourth proportional to 20,385.88, 30,583.07 and 6,154.63 is: 9,233.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,385.88 : 30,583.07 = 6,154.63 : x
  2. Step 2: Convert to fraction form
    20,385.88/30,583.07 = 6,154.63/x
  3. Step 3: Cross multiply
    20,385.88x = 30,583.07 × 6,154.63
  4. Step 4: Simplify right side
    20,385.88x = 188,227,567.99
  5. Step 5: Solve for x
    x = 188,227,567.99/20,385.88
  6. Step 6: Final answer
    x = 9,233.23

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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.