Home / 15,226.92-21,007.94-9,256.68

Finding the Fourth Proportional to 15,226.92, 21,007.94 and 9,256.68

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Solution

The fourth proportional to 15,226.92, 21,007.94 and 9,256.68 is: 12,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,226.92 : 21,007.94 = 9,256.68 : x
  2. Step 2: Convert to fraction form
    15,226.92/21,007.94 = 9,256.68/x
  3. Step 3: Cross multiply
    15,226.92x = 21,007.94 × 9,256.68
  4. Step 4: Simplify right side
    15,226.92x = 194,463,778.04
  5. Step 5: Solve for x
    x = 194,463,778.04/15,226.92
  6. Step 6: Final answer
    x = 12,771.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.