Home / 25,635.45-38,383.69-13,297.53

Finding the Fourth Proportional to 25,635.45, 38,383.69 and 13,297.53

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Solution

The fourth proportional to 25,635.45, 38,383.69 and 13,297.53 is: 19,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,635.45 : 38,383.69 = 13,297.53 : x
  2. Step 2: Convert to fraction form
    25,635.45/38,383.69 = 13,297.53/x
  3. Step 3: Cross multiply
    25,635.45x = 38,383.69 × 13,297.53
  4. Step 4: Simplify right side
    25,635.45x = 510,408,269.29
  5. Step 5: Solve for x
    x = 510,408,269.29/25,635.45
  6. Step 6: Final answer
    x = 19,910.25

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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.