Home / 19,583.92-29,352.84-12,554.80

Finding the Fourth Proportional to 19,583.92, 29,352.84 and 12,554.80

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Solution

The fourth proportional to 19,583.92, 29,352.84 and 12,554.80 is: 18,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.92 : 29,352.84 = 12,554.80 : x
  2. Step 2: Convert to fraction form
    19,583.92/29,352.84 = 12,554.80/x
  3. Step 3: Cross multiply
    19,583.92x = 29,352.84 × 12,554.80
  4. Step 4: Simplify right side
    19,583.92x = 368,519,035.63
  5. Step 5: Solve for x
    x = 368,519,035.63/19,583.92
  6. Step 6: Final answer
    x = 18,817.43

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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.