Home / 13,109.14-19,647.29-10,324.81

Finding the Fourth Proportional to 13,109.14, 19,647.29 and 10,324.81

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Solution

The fourth proportional to 13,109.14, 19,647.29 and 10,324.81 is: 15,474.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109.14 : 19,647.29 = 10,324.81 : x
  2. Step 2: Convert to fraction form
    13,109.14/19,647.29 = 10,324.81/x
  3. Step 3: Cross multiply
    13,109.14x = 19,647.29 × 10,324.81
  4. Step 4: Simplify right side
    13,109.14x = 202,854,536.26
  5. Step 5: Solve for x
    x = 202,854,536.26/13,109.14
  6. Step 6: Final answer
    x = 15,474.28

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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.