Home / 19,535.38-29,311.27-8,436.35

Finding the Fourth Proportional to 19,535.38, 29,311.27 and 8,436.35

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Solution

The fourth proportional to 19,535.38, 29,311.27 and 8,436.35 is: 12,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,535.38 : 29,311.27 = 8,436.35 : x
  2. Step 2: Convert to fraction form
    19,535.38/29,311.27 = 8,436.35/x
  3. Step 3: Cross multiply
    19,535.38x = 29,311.27 × 8,436.35
  4. Step 4: Simplify right side
    19,535.38x = 247,280,184.85
  5. Step 5: Solve for x
    x = 247,280,184.85/19,535.38
  6. Step 6: Final answer
    x = 12,658.07

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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.