Home / 19,902.04-29,861.13-12,794.22

Finding the Fourth Proportional to 19,902.04, 29,861.13 and 12,794.22

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Solution

The fourth proportional to 19,902.04, 29,861.13 and 12,794.22 is: 19,196.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.04 : 29,861.13 = 12,794.22 : x
  2. Step 2: Convert to fraction form
    19,902.04/29,861.13 = 12,794.22/x
  3. Step 3: Cross multiply
    19,902.04x = 29,861.13 × 12,794.22
  4. Step 4: Simplify right side
    19,902.04x = 382,049,866.67
  5. Step 5: Solve for x
    x = 382,049,866.67/19,902.04
  6. Step 6: Final answer
    x = 19,196.52

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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.