Home / 12,359.84-18,540.96-3,592.40

Finding the Fourth Proportional to 12,359.84, 18,540.96 and 3,592.40

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Solution

The fourth proportional to 12,359.84, 18,540.96 and 3,592.40 is: 5,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.84 : 18,540.96 = 3,592.40 : x
  2. Step 2: Convert to fraction form
    12,359.84/18,540.96 = 3,592.40/x
  3. Step 3: Cross multiply
    12,359.84x = 18,540.96 × 3,592.40
  4. Step 4: Simplify right side
    12,359.84x = 66,606,544.70
  5. Step 5: Solve for x
    x = 66,606,544.70/12,359.84
  6. Step 6: Final answer
    x = 5,388.95

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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.