Home / 20,797.53-28,733.16-19,773.38

Finding the Fourth Proportional to 20,797.53, 28,733.16 and 19,773.38

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Solution

The fourth proportional to 20,797.53, 28,733.16 and 19,773.38 is: 27,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,797.53 : 28,733.16 = 19,773.38 : x
  2. Step 2: Convert to fraction form
    20,797.53/28,733.16 = 19,773.38/x
  3. Step 3: Cross multiply
    20,797.53x = 28,733.16 × 19,773.38
  4. Step 4: Simplify right side
    20,797.53x = 568,151,547.62
  5. Step 5: Solve for x
    x = 568,151,547.62/20,797.53
  6. Step 6: Final answer
    x = 27,318.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.