Home / 19,736.25-27,248.18-12,675.12

Finding the Fourth Proportional to 19,736.25, 27,248.18 and 12,675.12

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Solution

The fourth proportional to 19,736.25, 27,248.18 and 12,675.12 is: 17,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.25 : 27,248.18 = 12,675.12 : x
  2. Step 2: Convert to fraction form
    19,736.25/27,248.18 = 12,675.12/x
  3. Step 3: Cross multiply
    19,736.25x = 27,248.18 × 12,675.12
  4. Step 4: Simplify right side
    19,736.25x = 345,373,887.91
  5. Step 5: Solve for x
    x = 345,373,887.91/19,736.25
  6. Step 6: Final answer
    x = 17,499.47

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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.