Home / 19,682.82-27,161.28-10,730.34

Finding the Fourth Proportional to 19,682.82, 27,161.28 and 10,730.34

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Solution

The fourth proportional to 19,682.82, 27,161.28 and 10,730.34 is: 14,807.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.82 : 27,161.28 = 10,730.34 : x
  2. Step 2: Convert to fraction form
    19,682.82/27,161.28 = 10,730.34/x
  3. Step 3: Cross multiply
    19,682.82x = 27,161.28 × 10,730.34
  4. Step 4: Simplify right side
    19,682.82x = 291,449,769.24
  5. Step 5: Solve for x
    x = 291,449,769.24/19,682.82
  6. Step 6: Final answer
    x = 14,807.32

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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.