Home / 18,179.12-27,271.41-5,696.36

Finding the Fourth Proportional to 18,179.12, 27,271.41 and 5,696.36

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Solution

The fourth proportional to 18,179.12, 27,271.41 and 5,696.36 is: 8,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.12 : 27,271.41 = 5,696.36 : x
  2. Step 2: Convert to fraction form
    18,179.12/27,271.41 = 5,696.36/x
  3. Step 3: Cross multiply
    18,179.12x = 27,271.41 × 5,696.36
  4. Step 4: Simplify right side
    18,179.12x = 155,347,769.07
  5. Step 5: Solve for x
    x = 155,347,769.07/18,179.12
  6. Step 6: Final answer
    x = 8,545.40

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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.