Home / 25,675.12-38,518.26-7,905.88

Finding the Fourth Proportional to 25,675.12, 38,518.26 and 7,905.88

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Solution

The fourth proportional to 25,675.12, 38,518.26 and 7,905.88 is: 11,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675.12 : 38,518.26 = 7,905.88 : x
  2. Step 2: Convert to fraction form
    25,675.12/38,518.26 = 7,905.88/x
  3. Step 3: Cross multiply
    25,675.12x = 38,518.26 × 7,905.88
  4. Step 4: Simplify right side
    25,675.12x = 304,520,741.37
  5. Step 5: Solve for x
    x = 304,520,741.37/25,675.12
  6. Step 6: Final answer
    x = 11,860.54

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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.