Home / 19,932.12-27,503.43-11,434.61

Finding the Fourth Proportional to 19,932.12, 27,503.43 and 11,434.61

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Solution

The fourth proportional to 19,932.12, 27,503.43 and 11,434.61 is: 15,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.12 : 27,503.43 = 11,434.61 : x
  2. Step 2: Convert to fraction form
    19,932.12/27,503.43 = 11,434.61/x
  3. Step 3: Cross multiply
    19,932.12x = 27,503.43 × 11,434.61
  4. Step 4: Simplify right side
    19,932.12x = 314,490,858.20
  5. Step 5: Solve for x
    x = 314,490,858.20/19,932.12
  6. Step 6: Final answer
    x = 15,778.09

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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.