Home / 19,463.80-29,195.72-5,423.86

Finding the Fourth Proportional to 19,463.80, 29,195.72 and 5,423.86

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Solution

The fourth proportional to 19,463.80, 29,195.72 and 5,423.86 is: 8,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,463.80 : 29,195.72 = 5,423.86 : x
  2. Step 2: Convert to fraction form
    19,463.80/29,195.72 = 5,423.86/x
  3. Step 3: Cross multiply
    19,463.80x = 29,195.72 × 5,423.86
  4. Step 4: Simplify right side
    19,463.80x = 158,353,497.88
  5. Step 5: Solve for x
    x = 158,353,497.88/19,463.80
  6. Step 6: Final answer
    x = 8,135.80

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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.