Home / 19,825.66-27,359.69-10,872.57

Finding the Fourth Proportional to 19,825.66, 27,359.69 and 10,872.57

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Solution

The fourth proportional to 19,825.66, 27,359.69 and 10,872.57 is: 15,004.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.66 : 27,359.69 = 10,872.57 : x
  2. Step 2: Convert to fraction form
    19,825.66/27,359.69 = 10,872.57/x
  3. Step 3: Cross multiply
    19,825.66x = 27,359.69 × 10,872.57
  4. Step 4: Simplify right side
    19,825.66x = 297,470,192.94
  5. Step 5: Solve for x
    x = 297,470,192.94/19,825.66
  6. Step 6: Final answer
    x = 15,004.30

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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.