Home / 14,305.89-21,463.31-6,415.02

Finding the Fourth Proportional to 14,305.89, 21,463.31 and 6,415.02

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Solution

The fourth proportional to 14,305.89, 21,463.31 and 6,415.02 is: 9,624.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.89 : 21,463.31 = 6,415.02 : x
  2. Step 2: Convert to fraction form
    14,305.89/21,463.31 = 6,415.02/x
  3. Step 3: Cross multiply
    14,305.89x = 21,463.31 × 6,415.02
  4. Step 4: Simplify right side
    14,305.89x = 137,687,562.92
  5. Step 5: Solve for x
    x = 137,687,562.92/14,305.89
  6. Step 6: Final answer
    x = 9,624.54

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1.5x scale

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.