Home / 19,141.92-28,718.64-5,995.68

Finding the Fourth Proportional to 19,141.92, 28,718.64 and 5,995.68

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Solution

The fourth proportional to 19,141.92, 28,718.64 and 5,995.68 is: 8,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.92 : 28,718.64 = 5,995.68 : x
  2. Step 2: Convert to fraction form
    19,141.92/28,718.64 = 5,995.68/x
  3. Step 3: Cross multiply
    19,141.92x = 28,718.64 × 5,995.68
  4. Step 4: Simplify right side
    19,141.92x = 172,187,775.48
  5. Step 5: Solve for x
    x = 172,187,775.48/19,141.92
  6. Step 6: Final answer
    x = 8,995.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.