Home / 20,562.54-28,376.06-11,610.42

Finding the Fourth Proportional to 20,562.54, 28,376.06 and 11,610.42

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Solution

The fourth proportional to 20,562.54, 28,376.06 and 11,610.42 is: 16,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.54 : 28,376.06 = 11,610.42 : x
  2. Step 2: Convert to fraction form
    20,562.54/28,376.06 = 11,610.42/x
  3. Step 3: Cross multiply
    20,562.54x = 28,376.06 × 11,610.42
  4. Step 4: Simplify right side
    20,562.54x = 329,457,974.55
  5. Step 5: Solve for x
    x = 329,457,974.55/20,562.54
  6. Step 6: Final answer
    x = 16,022.24

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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.