Home / 12,322.70-18,472.98-4,529.60

Finding the Fourth Proportional to 12,322.70, 18,472.98 and 4,529.60

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Solution

The fourth proportional to 12,322.70, 18,472.98 and 4,529.60 is: 6,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.70 : 18,472.98 = 4,529.60 : x
  2. Step 2: Convert to fraction form
    12,322.70/18,472.98 = 4,529.60/x
  3. Step 3: Cross multiply
    12,322.70x = 18,472.98 × 4,529.60
  4. Step 4: Simplify right side
    12,322.70x = 83,675,210.21
  5. Step 5: Solve for x
    x = 83,675,210.21/12,322.70
  6. Step 6: Final answer
    x = 6,790.33

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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.