Home / 19,406.55-29,084.69-8,149.13

Finding the Fourth Proportional to 19,406.55, 29,084.69 and 8,149.13

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Solution

The fourth proportional to 19,406.55, 29,084.69 and 8,149.13 is: 12,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,406.55 : 29,084.69 = 8,149.13 : x
  2. Step 2: Convert to fraction form
    19,406.55/29,084.69 = 8,149.13/x
  3. Step 3: Cross multiply
    19,406.55x = 29,084.69 × 8,149.13
  4. Step 4: Simplify right side
    19,406.55x = 237,014,794.77
  5. Step 5: Solve for x
    x = 237,014,794.77/19,406.55
  6. Step 6: Final answer
    x = 12,213.13

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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.