Home / 19,690.05-29,552.83-13,349.59

Finding the Fourth Proportional to 19,690.05, 29,552.83 and 13,349.59

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Solution

The fourth proportional to 19,690.05, 29,552.83 and 13,349.59 is: 20,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.05 : 29,552.83 = 13,349.59 : x
  2. Step 2: Convert to fraction form
    19,690.05/29,552.83 = 13,349.59/x
  3. Step 3: Cross multiply
    19,690.05x = 29,552.83 × 13,349.59
  4. Step 4: Simplify right side
    19,690.05x = 394,518,297.91
  5. Step 5: Solve for x
    x = 394,518,297.91/19,690.05
  6. Step 6: Final answer
    x = 20,036.43

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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.