Home / 19,838.34-27,380.52-11,454.84

Finding the Fourth Proportional to 19,838.34, 27,380.52 and 11,454.84

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Solution

The fourth proportional to 19,838.34, 27,380.52 and 11,454.84 is: 15,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.34 : 27,380.52 = 11,454.84 : x
  2. Step 2: Convert to fraction form
    19,838.34/27,380.52 = 11,454.84/x
  3. Step 3: Cross multiply
    19,838.34x = 27,380.52 × 11,454.84
  4. Step 4: Simplify right side
    19,838.34x = 313,639,475.72
  5. Step 5: Solve for x
    x = 313,639,475.72/19,838.34
  6. Step 6: Final answer
    x = 15,809.76

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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.