Home / 19,346.46-28,969.29-10,563.36

Finding the Fourth Proportional to 19,346.46, 28,969.29 and 10,563.36

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Solution

The fourth proportional to 19,346.46, 28,969.29 and 10,563.36 is: 15,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.46 : 28,969.29 = 10,563.36 : x
  2. Step 2: Convert to fraction form
    19,346.46/28,969.29 = 10,563.36/x
  3. Step 3: Cross multiply
    19,346.46x = 28,969.29 × 10,563.36
  4. Step 4: Simplify right side
    19,346.46x = 306,013,039.21
  5. Step 5: Solve for x
    x = 306,013,039.21/19,346.46
  6. Step 6: Final answer
    x = 15,817.52

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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.