Home / 12,031.54-18,050.04-5,459.61

Finding the Fourth Proportional to 12,031.54, 18,050.04 and 5,459.61

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Solution

The fourth proportional to 12,031.54, 18,050.04 and 5,459.61 is: 8,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.54 : 18,050.04 = 5,459.61 : x
  2. Step 2: Convert to fraction form
    12,031.54/18,050.04 = 5,459.61/x
  3. Step 3: Cross multiply
    12,031.54x = 18,050.04 × 5,459.61
  4. Step 4: Simplify right side
    12,031.54x = 98,546,178.88
  5. Step 5: Solve for x
    x = 98,546,178.88/12,031.54
  6. Step 6: Final answer
    x = 8,190.65

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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.