Home / 15,563.25-21,475.83-8,847.56

Finding the Fourth Proportional to 15,563.25, 21,475.83 and 8,847.56

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Solution

The fourth proportional to 15,563.25, 21,475.83 and 8,847.56 is: 12,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.25 : 21,475.83 = 8,847.56 : x
  2. Step 2: Convert to fraction form
    15,563.25/21,475.83 = 8,847.56/x
  3. Step 3: Cross multiply
    15,563.25x = 21,475.83 × 8,847.56
  4. Step 4: Simplify right side
    15,563.25x = 190,008,650.24
  5. Step 5: Solve for x
    x = 190,008,650.24/15,563.25
  6. Step 6: Final answer
    x = 12,208.80

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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.