Home / 13,039.04-19,467.28-11,933.12

Finding the Fourth Proportional to 13,039.04, 19,467.28 and 11,933.12

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Solution

The fourth proportional to 13,039.04, 19,467.28 and 11,933.12 is: 17,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.04 : 19,467.28 = 11,933.12 : x
  2. Step 2: Convert to fraction form
    13,039.04/19,467.28 = 11,933.12/x
  3. Step 3: Cross multiply
    13,039.04x = 19,467.28 × 11,933.12
  4. Step 4: Simplify right side
    13,039.04x = 232,305,388.31
  5. Step 5: Solve for x
    x = 232,305,388.31/13,039.04
  6. Step 6: Final answer
    x = 17,816.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.