Home / 12,552.68-18,824.20-4,230.45

Finding the Fourth Proportional to 12,552.68, 18,824.20 and 4,230.45

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Solution

The fourth proportional to 12,552.68, 18,824.20 and 4,230.45 is: 6,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.68 : 18,824.20 = 4,230.45 : x
  2. Step 2: Convert to fraction form
    12,552.68/18,824.20 = 4,230.45/x
  3. Step 3: Cross multiply
    12,552.68x = 18,824.20 × 4,230.45
  4. Step 4: Simplify right side
    12,552.68x = 79,634,836.89
  5. Step 5: Solve for x
    x = 79,634,836.89/12,552.68
  6. Step 6: Final answer
    x = 6,344.05

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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.