Home / 19,796.64-27,307.68-11,727.44

Finding the Fourth Proportional to 19,796.64, 27,307.68 and 11,727.44

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Solution

The fourth proportional to 19,796.64, 27,307.68 and 11,727.44 is: 16,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796.64 : 27,307.68 = 11,727.44 : x
  2. Step 2: Convert to fraction form
    19,796.64/27,307.68 = 11,727.44/x
  3. Step 3: Cross multiply
    19,796.64x = 27,307.68 × 11,727.44
  4. Step 4: Simplify right side
    19,796.64x = 320,249,178.74
  5. Step 5: Solve for x
    x = 320,249,178.74/19,796.64
  6. Step 6: Final answer
    x = 16,176.95

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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.