Home / 14,661.92-20,233.59-8,374.25

Finding the Fourth Proportional to 14,661.92, 20,233.59 and 8,374.25

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Solution

The fourth proportional to 14,661.92, 20,233.59 and 8,374.25 is: 11,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.92 : 20,233.59 = 8,374.25 : x
  2. Step 2: Convert to fraction form
    14,661.92/20,233.59 = 8,374.25/x
  3. Step 3: Cross multiply
    14,661.92x = 20,233.59 × 8,374.25
  4. Step 4: Simplify right side
    14,661.92x = 169,441,141.06
  5. Step 5: Solve for x
    x = 169,441,141.06/14,661.92
  6. Step 6: Final answer
    x = 11,556.55

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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.