Home / 19,923.38-29,884.98-5,131.04

Finding the Fourth Proportional to 19,923.38, 29,884.98 and 5,131.04

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Solution

The fourth proportional to 19,923.38, 29,884.98 and 5,131.04 is: 7,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.38 : 29,884.98 = 5,131.04 : x
  2. Step 2: Convert to fraction form
    19,923.38/29,884.98 = 5,131.04/x
  3. Step 3: Cross multiply
    19,923.38x = 29,884.98 × 5,131.04
  4. Step 4: Simplify right side
    19,923.38x = 153,341,027.78
  5. Step 5: Solve for x
    x = 153,341,027.78/19,923.38
  6. Step 6: Final answer
    x = 7,696.54

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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.