Home / 20,563.18-28,374.13-11,610.48

Finding the Fourth Proportional to 20,563.18, 28,374.13 and 11,610.48

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Solution

The fourth proportional to 20,563.18, 28,374.13 and 11,610.48 is: 16,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563.18 : 28,374.13 = 11,610.48 : x
  2. Step 2: Convert to fraction form
    20,563.18/28,374.13 = 11,610.48/x
  3. Step 3: Cross multiply
    20,563.18x = 28,374.13 × 11,610.48
  4. Step 4: Simplify right side
    20,563.18x = 329,437,268.88
  5. Step 5: Solve for x
    x = 329,437,268.88/20,563.18
  6. Step 6: Final answer
    x = 16,020.74

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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.