Home / 12,327.64-18,488.70-3,560.60

Finding the Fourth Proportional to 12,327.64, 18,488.70 and 3,560.60

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Solution

The fourth proportional to 12,327.64, 18,488.70 and 3,560.60 is: 5,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.64 : 18,488.70 = 3,560.60 : x
  2. Step 2: Convert to fraction form
    12,327.64/18,488.70 = 3,560.60/x
  3. Step 3: Cross multiply
    12,327.64x = 18,488.70 × 3,560.60
  4. Step 4: Simplify right side
    12,327.64x = 65,830,865.22
  5. Step 5: Solve for x
    x = 65,830,865.22/12,327.64
  6. Step 6: Final answer
    x = 5,340.10

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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.