Home / 19,682.91-27,162.21-10,730.22

Finding the Fourth Proportional to 19,682.91, 27,162.21 and 10,730.22

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Solution

The fourth proportional to 19,682.91, 27,162.21 and 10,730.22 is: 14,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.91 : 27,162.21 = 10,730.22 : x
  2. Step 2: Convert to fraction form
    19,682.91/27,162.21 = 10,730.22/x
  3. Step 3: Cross multiply
    19,682.91x = 27,162.21 × 10,730.22
  4. Step 4: Simplify right side
    19,682.91x = 291,456,488.99
  5. Step 5: Solve for x
    x = 291,456,488.99/19,682.91
  6. Step 6: Final answer
    x = 14,807.59

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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.