Home / 19,441.05-26,828.60-11,057.55

Finding the Fourth Proportional to 19,441.05, 26,828.60 and 11,057.55

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Solution

The fourth proportional to 19,441.05, 26,828.60 and 11,057.55 is: 15,259.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,441.05 : 26,828.60 = 11,057.55 : x
  2. Step 2: Convert to fraction form
    19,441.05/26,828.60 = 11,057.55/x
  3. Step 3: Cross multiply
    19,441.05x = 26,828.60 × 11,057.55
  4. Step 4: Simplify right side
    19,441.05x = 296,658,530.64
  5. Step 5: Solve for x
    x = 296,658,530.64/19,441.05
  6. Step 6: Final answer
    x = 15,259.39

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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.