Home / 14,983.25-20,679.40-14,318.94

Finding the Fourth Proportional to 14,983.25, 20,679.40 and 14,318.94

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Solution

The fourth proportional to 14,983.25, 20,679.40 and 14,318.94 is: 19,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.25 : 20,679.40 = 14,318.94 : x
  2. Step 2: Convert to fraction form
    14,983.25/20,679.40 = 14,318.94/x
  3. Step 3: Cross multiply
    14,983.25x = 20,679.40 × 14,318.94
  4. Step 4: Simplify right side
    14,983.25x = 296,107,183.28
  5. Step 5: Solve for x
    x = 296,107,183.28/14,983.25
  6. Step 6: Final answer
    x = 19,762.55

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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.