Home / 25,623.12-38,451.78-8,983.14

Finding the Fourth Proportional to 25,623.12, 38,451.78 and 8,983.14

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Solution

The fourth proportional to 25,623.12, 38,451.78 and 8,983.14 is: 13,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623.12 : 38,451.78 = 8,983.14 : x
  2. Step 2: Convert to fraction form
    25,623.12/38,451.78 = 8,983.14/x
  3. Step 3: Cross multiply
    25,623.12x = 38,451.78 × 8,983.14
  4. Step 4: Simplify right side
    25,623.12x = 345,417,722.99
  5. Step 5: Solve for x
    x = 345,417,722.99/25,623.12
  6. Step 6: Final answer
    x = 13,480.71

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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.