Home / 19,716.34-27,207.39-11,332.84

Finding the Fourth Proportional to 19,716.34, 27,207.39 and 11,332.84

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Solution

The fourth proportional to 19,716.34, 27,207.39 and 11,332.84 is: 15,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.34 : 27,207.39 = 11,332.84 : x
  2. Step 2: Convert to fraction form
    19,716.34/27,207.39 = 11,332.84/x
  3. Step 3: Cross multiply
    19,716.34x = 27,207.39 × 11,332.84
  4. Step 4: Simplify right side
    19,716.34x = 308,336,997.69
  5. Step 5: Solve for x
    x = 308,336,997.69/19,716.34
  6. Step 6: Final answer
    x = 15,638.65

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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.