Home / 22,315.56-33,453.36-8,474.28

Finding the Fourth Proportional to 22,315.56, 33,453.36 and 8,474.28

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Solution

The fourth proportional to 22,315.56, 33,453.36 and 8,474.28 is: 12,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,315.56 : 33,453.36 = 8,474.28 : x
  2. Step 2: Convert to fraction form
    22,315.56/33,453.36 = 8,474.28/x
  3. Step 3: Cross multiply
    22,315.56x = 33,453.36 × 8,474.28
  4. Step 4: Simplify right side
    22,315.56x = 283,493,139.58
  5. Step 5: Solve for x
    x = 283,493,139.58/22,315.56
  6. Step 6: Final answer
    x = 12,703.83

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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.