Home / 25,465.98-38,175.88-13,765.53

Finding the Fourth Proportional to 25,465.98, 38,175.88 and 13,765.53

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Solution

The fourth proportional to 25,465.98, 38,175.88 and 13,765.53 is: 20,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,465.98 : 38,175.88 = 13,765.53 : x
  2. Step 2: Convert to fraction form
    25,465.98/38,175.88 = 13,765.53/x
  3. Step 3: Cross multiply
    25,465.98x = 38,175.88 × 13,765.53
  4. Step 4: Simplify right side
    25,465.98x = 525,511,221.42
  5. Step 5: Solve for x
    x = 525,511,221.42/25,465.98
  6. Step 6: Final answer
    x = 20,635.81

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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.