Home / 19,604.52-27,035.79-15,121.17

Finding the Fourth Proportional to 19,604.52, 27,035.79 and 15,121.17

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Solution

The fourth proportional to 19,604.52, 27,035.79 and 15,121.17 is: 20,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.52 : 27,035.79 = 15,121.17 : x
  2. Step 2: Convert to fraction form
    19,604.52/27,035.79 = 15,121.17/x
  3. Step 3: Cross multiply
    19,604.52x = 27,035.79 × 15,121.17
  4. Step 4: Simplify right side
    19,604.52x = 408,812,776.67
  5. Step 5: Solve for x
    x = 408,812,776.67/19,604.52
  6. Step 6: Final answer
    x = 20,852.99

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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.