Home / 12,031.40-18,042.48-4,132.44

Finding the Fourth Proportional to 12,031.40, 18,042.48 and 4,132.44

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Solution

The fourth proportional to 12,031.40, 18,042.48 and 4,132.44 is: 6,197.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.40 : 18,042.48 = 4,132.44 : x
  2. Step 2: Convert to fraction form
    12,031.40/18,042.48 = 4,132.44/x
  3. Step 3: Cross multiply
    12,031.40x = 18,042.48 × 4,132.44
  4. Step 4: Simplify right side
    12,031.40x = 74,559,466.05
  5. Step 5: Solve for x
    x = 74,559,466.05/12,031.40
  6. Step 6: Final answer
    x = 6,197.07

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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.