Home / 25,517.36-38,278.92-11,664.56

Finding the Fourth Proportional to 25,517.36, 38,278.92 and 11,664.56

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Solution

The fourth proportional to 25,517.36, 38,278.92 and 11,664.56 is: 17,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,517.36 : 38,278.92 = 11,664.56 : x
  2. Step 2: Convert to fraction form
    25,517.36/38,278.92 = 11,664.56/x
  3. Step 3: Cross multiply
    25,517.36x = 38,278.92 × 11,664.56
  4. Step 4: Simplify right side
    25,517.36x = 446,506,759.08
  5. Step 5: Solve for x
    x = 446,506,759.08/25,517.36
  6. Step 6: Final answer
    x = 17,498.16

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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.