Home / 25,824.96-38,740.19-9,186.55

Finding the Fourth Proportional to 25,824.96, 38,740.19 and 9,186.55

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Solution

The fourth proportional to 25,824.96, 38,740.19 and 9,186.55 is: 13,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,824.96 : 38,740.19 = 9,186.55 : x
  2. Step 2: Convert to fraction form
    25,824.96/38,740.19 = 9,186.55/x
  3. Step 3: Cross multiply
    25,824.96x = 38,740.19 × 9,186.55
  4. Step 4: Simplify right side
    25,824.96x = 355,888,692.44
  5. Step 5: Solve for x
    x = 355,888,692.44/25,824.96
  6. Step 6: Final answer
    x = 13,780.80

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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.