Home / 12,389.42-18,575.49-4,596.14

Finding the Fourth Proportional to 12,389.42, 18,575.49 and 4,596.14

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Solution

The fourth proportional to 12,389.42, 18,575.49 and 4,596.14 is: 6,891.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,389.42 : 18,575.49 = 4,596.14 : x
  2. Step 2: Convert to fraction form
    12,389.42/18,575.49 = 4,596.14/x
  3. Step 3: Cross multiply
    12,389.42x = 18,575.49 × 4,596.14
  4. Step 4: Simplify right side
    12,389.42x = 85,375,552.61
  5. Step 5: Solve for x
    x = 85,375,552.61/12,389.42
  6. Step 6: Final answer
    x = 6,891.00

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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.