Home / 20,562.06-28,374.57-12,063

Finding the Fourth Proportional to 20,562.06, 28,374.57 and 12,063

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Solution

The fourth proportional to 20,562.06, 28,374.57 and 12,063 is: 16,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.06 : 28,374.57 = 12,063 : x
  2. Step 2: Convert to fraction form
    20,562.06/28,374.57 = 12,063/x
  3. Step 3: Cross multiply
    20,562.06x = 28,374.57 × 12,063
  4. Step 4: Simplify right side
    20,562.06x = 342,282,437.91
  5. Step 5: Solve for x
    x = 342,282,437.91/20,562.06
  6. Step 6: Final answer
    x = 16,646.31

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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.