Home / 13,991.44-19,314.24-10,005.64

Finding the Fourth Proportional to 13,991.44, 19,314.24 and 10,005.64

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Solution

The fourth proportional to 13,991.44, 19,314.24 and 10,005.64 is: 13,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991.44 : 19,314.24 = 10,005.64 : x
  2. Step 2: Convert to fraction form
    13,991.44/19,314.24 = 10,005.64/x
  3. Step 3: Cross multiply
    13,991.44x = 19,314.24 × 10,005.64
  4. Step 4: Simplify right side
    13,991.44x = 193,251,332.31
  5. Step 5: Solve for x
    x = 193,251,332.31/13,991.44
  6. Step 6: Final answer
    x = 13,812.11

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1.5x scale

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.