Home / 19,887.24-27,434.52-11,927.64

Finding the Fourth Proportional to 19,887.24, 27,434.52 and 11,927.64

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Solution

The fourth proportional to 19,887.24, 27,434.52 and 11,927.64 is: 16,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.24 : 27,434.52 = 11,927.64 : x
  2. Step 2: Convert to fraction form
    19,887.24/27,434.52 = 11,927.64/x
  3. Step 3: Cross multiply
    19,887.24x = 27,434.52 × 11,927.64
  4. Step 4: Simplify right side
    19,887.24x = 327,229,078.13
  5. Step 5: Solve for x
    x = 327,229,078.13/19,887.24
  6. Step 6: Final answer
    x = 16,454.22

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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.