Home / 30,153.24-45,175.32-12,592.44

Finding the Fourth Proportional to 30,153.24, 45,175.32 and 12,592.44

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Solution

The fourth proportional to 30,153.24, 45,175.32 and 12,592.44 is: 18,865.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,153.24 : 45,175.32 = 12,592.44 : x
  2. Step 2: Convert to fraction form
    30,153.24/45,175.32 = 12,592.44/x
  3. Step 3: Cross multiply
    30,153.24x = 45,175.32 × 12,592.44
  4. Step 4: Simplify right side
    30,153.24x = 568,867,506.58
  5. Step 5: Solve for x
    x = 568,867,506.58/30,153.24
  6. Step 6: Final answer
    x = 18,865.88

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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.