Home / 12,031.52-18,042.63-4,132.55

Finding the Fourth Proportional to 12,031.52, 18,042.63 and 4,132.55

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Solution

The fourth proportional to 12,031.52, 18,042.63 and 4,132.55 is: 6,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.52 : 18,042.63 = 4,132.55 : x
  2. Step 2: Convert to fraction form
    12,031.52/18,042.63 = 4,132.55/x
  3. Step 3: Cross multiply
    12,031.52x = 18,042.63 × 4,132.55
  4. Step 4: Simplify right side
    12,031.52x = 74,561,980.39
  5. Step 5: Solve for x
    x = 74,561,980.39/12,031.52
  6. Step 6: Final answer
    x = 6,197.22

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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.