Home / 19,691.06-29,550.28-8,004.29

Finding the Fourth Proportional to 19,691.06, 29,550.28 and 8,004.29

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Solution

The fourth proportional to 19,691.06, 29,550.28 and 8,004.29 is: 12,012.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.06 : 29,550.28 = 8,004.29 : x
  2. Step 2: Convert to fraction form
    19,691.06/29,550.28 = 8,004.29/x
  3. Step 3: Cross multiply
    19,691.06x = 29,550.28 × 8,004.29
  4. Step 4: Simplify right side
    19,691.06x = 236,529,064.57
  5. Step 5: Solve for x
    x = 236,529,064.57/19,691.06
  6. Step 6: Final answer
    x = 12,012.00

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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.