Home / 25,949.51-38,911.97-13,457.04

Finding the Fourth Proportional to 25,949.51, 38,911.97 and 13,457.04

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Solution

The fourth proportional to 25,949.51, 38,911.97 and 13,457.04 is: 20,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.51 : 38,911.97 = 13,457.04 : x
  2. Step 2: Convert to fraction form
    25,949.51/38,911.97 = 13,457.04/x
  3. Step 3: Cross multiply
    25,949.51x = 38,911.97 × 13,457.04
  4. Step 4: Simplify right side
    25,949.51x = 523,639,786.64
  5. Step 5: Solve for x
    x = 523,639,786.64/25,949.51
  6. Step 6: Final answer
    x = 20,179.17

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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.