Home / 19,687.24-27,168.41-10,734.76

Finding the Fourth Proportional to 19,687.24, 27,168.41 and 10,734.76

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Solution

The fourth proportional to 19,687.24, 27,168.41 and 10,734.76 is: 14,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.24 : 27,168.41 = 10,734.76 : x
  2. Step 2: Convert to fraction form
    19,687.24/27,168.41 = 10,734.76/x
  3. Step 3: Cross multiply
    19,687.24x = 27,168.41 × 10,734.76
  4. Step 4: Simplify right side
    19,687.24x = 291,646,239.34
  5. Step 5: Solve for x
    x = 291,646,239.34/19,687.24
  6. Step 6: Final answer
    x = 14,813.97

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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.