Home / 22,313.31-33,424.40-12,457.85

Finding the Fourth Proportional to 22,313.31, 33,424.40 and 12,457.85

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Solution

The fourth proportional to 22,313.31, 33,424.40 and 12,457.85 is: 18,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,313.31 : 33,424.40 = 12,457.85 : x
  2. Step 2: Convert to fraction form
    22,313.31/33,424.40 = 12,457.85/x
  3. Step 3: Cross multiply
    22,313.31x = 33,424.40 × 12,457.85
  4. Step 4: Simplify right side
    22,313.31x = 416,395,932.13
  5. Step 5: Solve for x
    x = 416,395,932.13/22,313.31
  6. Step 6: Final answer
    x = 18,661.33

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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.