Home / 19,141.64-26,406.86-11,179.14

Finding the Fourth Proportional to 19,141.64, 26,406.86 and 11,179.14

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Solution

The fourth proportional to 19,141.64, 26,406.86 and 11,179.14 is: 15,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.64 : 26,406.86 = 11,179.14 : x
  2. Step 2: Convert to fraction form
    19,141.64/26,406.86 = 11,179.14/x
  3. Step 3: Cross multiply
    19,141.64x = 26,406.86 × 11,179.14
  4. Step 4: Simplify right side
    19,141.64x = 295,205,984.90
  5. Step 5: Solve for x
    x = 295,205,984.90/19,141.64
  6. Step 6: Final answer
    x = 15,422.19

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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.