Home / 15,259.62-21,057.21-8,544.09

Finding the Fourth Proportional to 15,259.62, 21,057.21 and 8,544.09

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Solution

The fourth proportional to 15,259.62, 21,057.21 and 8,544.09 is: 11,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.62 : 21,057.21 = 8,544.09 : x
  2. Step 2: Convert to fraction form
    15,259.62/21,057.21 = 8,544.09/x
  3. Step 3: Cross multiply
    15,259.62x = 21,057.21 × 8,544.09
  4. Step 4: Simplify right side
    15,259.62x = 179,914,697.39
  5. Step 5: Solve for x
    x = 179,914,697.39/15,259.62
  6. Step 6: Final answer
    x = 11,790.25

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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.