Home / 20,563.58-30,845.24-5,772.50

Finding the Fourth Proportional to 20,563.58, 30,845.24 and 5,772.50

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Solution

The fourth proportional to 20,563.58, 30,845.24 and 5,772.50 is: 8,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563.58 : 30,845.24 = 5,772.50 : x
  2. Step 2: Convert to fraction form
    20,563.58/30,845.24 = 5,772.50/x
  3. Step 3: Cross multiply
    20,563.58x = 30,845.24 × 5,772.50
  4. Step 4: Simplify right side
    20,563.58x = 178,054,275.63
  5. Step 5: Solve for x
    x = 178,054,275.63/20,563.58
  6. Step 6: Final answer
    x = 8,658.72

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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.