Home / 19,818.24-29,727.34-18,506.04

Finding the Fourth Proportional to 19,818.24, 29,727.34 and 18,506.04

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Solution

The fourth proportional to 19,818.24, 29,727.34 and 18,506.04 is: 27,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.24 : 29,727.34 = 18,506.04 : x
  2. Step 2: Convert to fraction form
    19,818.24/29,727.34 = 18,506.04/x
  3. Step 3: Cross multiply
    19,818.24x = 29,727.34 × 18,506.04
  4. Step 4: Simplify right side
    19,818.24x = 550,135,343.13
  5. Step 5: Solve for x
    x = 550,135,343.13/19,818.24
  6. Step 6: Final answer
    x = 27,759.04

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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.