Home / 15,646.88-23,468.42-3,960.20

Finding the Fourth Proportional to 15,646.88, 23,468.42 and 3,960.20

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Solution

The fourth proportional to 15,646.88, 23,468.42 and 3,960.20 is: 5,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.88 : 23,468.42 = 3,960.20 : x
  2. Step 2: Convert to fraction form
    15,646.88/23,468.42 = 3,960.20/x
  3. Step 3: Cross multiply
    15,646.88x = 23,468.42 × 3,960.20
  4. Step 4: Simplify right side
    15,646.88x = 92,939,636.88
  5. Step 5: Solve for x
    x = 92,939,636.88/15,646.88
  6. Step 6: Final answer
    x = 5,939.82

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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.