Home / 19,744.55-27,238.16-11,672.76

Finding the Fourth Proportional to 19,744.55, 27,238.16 and 11,672.76

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Solution

The fourth proportional to 19,744.55, 27,238.16 and 11,672.76 is: 16,102.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,744.55 : 27,238.16 = 11,672.76 : x
  2. Step 2: Convert to fraction form
    19,744.55/27,238.16 = 11,672.76/x
  3. Step 3: Cross multiply
    19,744.55x = 27,238.16 × 11,672.76
  4. Step 4: Simplify right side
    19,744.55x = 317,944,533.70
  5. Step 5: Solve for x
    x = 317,944,533.70/19,744.55
  6. Step 6: Final answer
    x = 16,102.91

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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.