Home / 20,562.37-28,376.99-11,609.95

Finding the Fourth Proportional to 20,562.37, 28,376.99 and 11,609.95

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Solution

The fourth proportional to 20,562.37, 28,376.99 and 11,609.95 is: 16,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.37 : 28,376.99 = 11,609.95 : x
  2. Step 2: Convert to fraction form
    20,562.37/28,376.99 = 11,609.95/x
  3. Step 3: Cross multiply
    20,562.37x = 28,376.99 × 11,609.95
  4. Step 4: Simplify right side
    20,562.37x = 329,455,435.05
  5. Step 5: Solve for x
    x = 329,455,435.05/20,562.37
  6. Step 6: Final answer
    x = 16,022.25

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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.