Home / 19,923.38-27,495.57-11,539.88

Finding the Fourth Proportional to 19,923.38, 27,495.57 and 11,539.88

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Solution

The fourth proportional to 19,923.38, 27,495.57 and 11,539.88 is: 15,925.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.38 : 27,495.57 = 11,539.88 : x
  2. Step 2: Convert to fraction form
    19,923.38/27,495.57 = 11,539.88/x
  3. Step 3: Cross multiply
    19,923.38x = 27,495.57 × 11,539.88
  4. Step 4: Simplify right side
    19,923.38x = 317,295,440.85
  5. Step 5: Solve for x
    x = 317,295,440.85/19,923.38
  6. Step 6: Final answer
    x = 15,925.79

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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.