Home / 19,159.12-26,435.62-11,199.80

Finding the Fourth Proportional to 19,159.12, 26,435.62 and 11,199.80

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Solution

The fourth proportional to 19,159.12, 26,435.62 and 11,199.80 is: 15,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.12 : 26,435.62 = 11,199.80 : x
  2. Step 2: Convert to fraction form
    19,159.12/26,435.62 = 11,199.80/x
  3. Step 3: Cross multiply
    19,159.12x = 26,435.62 × 11,199.80
  4. Step 4: Simplify right side
    19,159.12x = 296,073,694.97
  5. Step 5: Solve for x
    x = 296,073,694.97/19,159.12
  6. Step 6: Final answer
    x = 15,453.41

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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.