Home / 22,582.80-31,131.60-15,847.44

Finding the Fourth Proportional to 22,582.80, 31,131.60 and 15,847.44

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Solution

The fourth proportional to 22,582.80, 31,131.60 and 15,847.44 is: 21,846.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,582.80 : 31,131.60 = 15,847.44 : x
  2. Step 2: Convert to fraction form
    22,582.80/31,131.60 = 15,847.44/x
  3. Step 3: Cross multiply
    22,582.80x = 31,131.60 × 15,847.44
  4. Step 4: Simplify right side
    22,582.80x = 493,356,163.10
  5. Step 5: Solve for x
    x = 493,356,163.10/22,582.80
  6. Step 6: Final answer
    x = 21,846.55

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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.