Home / 25,910.16-35,754.05-15,297.75

Finding the Fourth Proportional to 25,910.16, 35,754.05 and 15,297.75

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Solution

The fourth proportional to 25,910.16, 35,754.05 and 15,297.75 is: 21,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,910.16 : 35,754.05 = 15,297.75 : x
  2. Step 2: Convert to fraction form
    25,910.16/35,754.05 = 15,297.75/x
  3. Step 3: Cross multiply
    25,910.16x = 35,754.05 × 15,297.75
  4. Step 4: Simplify right side
    25,910.16x = 546,956,441.90
  5. Step 5: Solve for x
    x = 546,956,441.90/25,910.16
  6. Step 6: Final answer
    x = 21,109.73

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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.