Home / 19,387.69-29,081.57-5,536.69

Finding the Fourth Proportional to 19,387.69, 29,081.57 and 5,536.69

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Solution

The fourth proportional to 19,387.69, 29,081.57 and 5,536.69 is: 8,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.69 : 29,081.57 = 5,536.69 : x
  2. Step 2: Convert to fraction form
    19,387.69/29,081.57 = 5,536.69/x
  3. Step 3: Cross multiply
    19,387.69x = 29,081.57 × 5,536.69
  4. Step 4: Simplify right side
    19,387.69x = 161,015,537.42
  5. Step 5: Solve for x
    x = 161,015,537.42/19,387.69
  6. Step 6: Final answer
    x = 8,305.04

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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.