Home / 22,178.31-33,238.74-9,015.39

Finding the Fourth Proportional to 22,178.31, 33,238.74 and 9,015.39

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Solution

The fourth proportional to 22,178.31, 33,238.74 and 9,015.39 is: 13,511.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.31 : 33,238.74 = 9,015.39 : x
  2. Step 2: Convert to fraction form
    22,178.31/33,238.74 = 9,015.39/x
  3. Step 3: Cross multiply
    22,178.31x = 33,238.74 × 9,015.39
  4. Step 4: Simplify right side
    22,178.31x = 299,660,204.21
  5. Step 5: Solve for x
    x = 299,660,204.21/22,178.31
  6. Step 6: Final answer
    x = 13,511.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.