Home / 17,382.05-23,990.55-10,312.37

Finding the Fourth Proportional to 17,382.05, 23,990.55 and 10,312.37

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Solution

The fourth proportional to 17,382.05, 23,990.55 and 10,312.37 is: 14,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,382.05 : 23,990.55 = 10,312.37 : x
  2. Step 2: Convert to fraction form
    17,382.05/23,990.55 = 10,312.37/x
  3. Step 3: Cross multiply
    17,382.05x = 23,990.55 × 10,312.37
  4. Step 4: Simplify right side
    17,382.05x = 247,399,428.10
  5. Step 5: Solve for x
    x = 247,399,428.10/17,382.05
  6. Step 6: Final answer
    x = 14,233.04

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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.