Home / 22,644.80-31,230.63-14,579.85

Finding the Fourth Proportional to 22,644.80, 31,230.63 and 14,579.85

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Solution

The fourth proportional to 22,644.80, 31,230.63 and 14,579.85 is: 20,107.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,644.80 : 31,230.63 = 14,579.85 : x
  2. Step 2: Convert to fraction form
    22,644.80/31,230.63 = 14,579.85/x
  3. Step 3: Cross multiply
    22,644.80x = 31,230.63 × 14,579.85
  4. Step 4: Simplify right side
    22,644.80x = 455,337,900.81
  5. Step 5: Solve for x
    x = 455,337,900.81/22,644.80
  6. Step 6: Final answer
    x = 20,107.84

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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.