Home / 16,389.78-24,540.93-8,582.18

Finding the Fourth Proportional to 16,389.78, 24,540.93 and 8,582.18

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Solution

The fourth proportional to 16,389.78, 24,540.93 and 8,582.18 is: 12,850.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.78 : 24,540.93 = 8,582.18 : x
  2. Step 2: Convert to fraction form
    16,389.78/24,540.93 = 8,582.18/x
  3. Step 3: Cross multiply
    16,389.78x = 24,540.93 × 8,582.18
  4. Step 4: Simplify right side
    16,389.78x = 210,614,678.63
  5. Step 5: Solve for x
    x = 210,614,678.63/16,389.78
  6. Step 6: Final answer
    x = 12,850.37

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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.