Home / 25,525.82-35,215.76-15,450.57

Finding the Fourth Proportional to 25,525.82, 35,215.76 and 15,450.57

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Solution

The fourth proportional to 25,525.82, 35,215.76 and 15,450.57 is: 21,315.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,525.82 : 35,215.76 = 15,450.57 : x
  2. Step 2: Convert to fraction form
    25,525.82/35,215.76 = 15,450.57/x
  3. Step 3: Cross multiply
    25,525.82x = 35,215.76 × 15,450.57
  4. Step 4: Simplify right side
    25,525.82x = 544,103,603.61
  5. Step 5: Solve for x
    x = 544,103,603.61/25,525.82
  6. Step 6: Final answer
    x = 21,315.81

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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.