Home / 13,311.54-19,957.23-8,045.42

Finding the Fourth Proportional to 13,311.54, 19,957.23 and 8,045.42

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Solution

The fourth proportional to 13,311.54, 19,957.23 and 8,045.42 is: 12,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.54 : 19,957.23 = 8,045.42 : x
  2. Step 2: Convert to fraction form
    13,311.54/19,957.23 = 8,045.42/x
  3. Step 3: Cross multiply
    13,311.54x = 19,957.23 × 8,045.42
  4. Step 4: Simplify right side
    13,311.54x = 160,564,197.60
  5. Step 5: Solve for x
    x = 160,564,197.60/13,311.54
  6. Step 6: Final answer
    x = 12,062.03

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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.