Home / 20,562.31-30,836.51-9,462.95

Finding the Fourth Proportional to 20,562.31, 30,836.51 and 9,462.95

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Solution

The fourth proportional to 20,562.31, 30,836.51 and 9,462.95 is: 14,191.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.31 : 30,836.51 = 9,462.95 : x
  2. Step 2: Convert to fraction form
    20,562.31/30,836.51 = 9,462.95/x
  3. Step 3: Cross multiply
    20,562.31x = 30,836.51 × 9,462.95
  4. Step 4: Simplify right side
    20,562.31x = 291,804,352.30
  5. Step 5: Solve for x
    x = 291,804,352.30/20,562.31
  6. Step 6: Final answer
    x = 14,191.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.