Home / 19,454.08-29,184.96-7,143.04

Finding the Fourth Proportional to 19,454.08, 29,184.96 and 7,143.04

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Solution

The fourth proportional to 19,454.08, 29,184.96 and 7,143.04 is: 10,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,454.08 : 29,184.96 = 7,143.04 : x
  2. Step 2: Convert to fraction form
    19,454.08/29,184.96 = 7,143.04/x
  3. Step 3: Cross multiply
    19,454.08x = 29,184.96 × 7,143.04
  4. Step 4: Simplify right side
    19,454.08x = 208,469,336.68
  5. Step 5: Solve for x
    x = 208,469,336.68/19,454.08
  6. Step 6: Final answer
    x = 10,715.97

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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.