Home / 19,709.10-29,574.99-10,943.28

Finding the Fourth Proportional to 19,709.10, 29,574.99 and 10,943.28

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Solution

The fourth proportional to 19,709.10, 29,574.99 and 10,943.28 is: 16,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.10 : 29,574.99 = 10,943.28 : x
  2. Step 2: Convert to fraction form
    19,709.10/29,574.99 = 10,943.28/x
  3. Step 3: Cross multiply
    19,709.10x = 29,574.99 × 10,943.28
  4. Step 4: Simplify right side
    19,709.10x = 323,647,396.57
  5. Step 5: Solve for x
    x = 323,647,396.57/19,709.10
  6. Step 6: Final answer
    x = 16,421.22

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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.