Home / 14,589.12-21,871.26-6,688.98

Finding the Fourth Proportional to 14,589.12, 21,871.26 and 6,688.98

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Solution

The fourth proportional to 14,589.12, 21,871.26 and 6,688.98 is: 10,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589.12 : 21,871.26 = 6,688.98 : x
  2. Step 2: Convert to fraction form
    14,589.12/21,871.26 = 6,688.98/x
  3. Step 3: Cross multiply
    14,589.12x = 21,871.26 × 6,688.98
  4. Step 4: Simplify right side
    14,589.12x = 146,296,420.71
  5. Step 5: Solve for x
    x = 146,296,420.71/14,589.12
  6. Step 6: Final answer
    x = 10,027.78

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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.