Home / 25,776.82-38,670.90-8,248.42

Finding the Fourth Proportional to 25,776.82, 38,670.90 and 8,248.42

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Solution

The fourth proportional to 25,776.82, 38,670.90 and 8,248.42 is: 12,374.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,776.82 : 38,670.90 = 8,248.42 : x
  2. Step 2: Convert to fraction form
    25,776.82/38,670.90 = 8,248.42/x
  3. Step 3: Cross multiply
    25,776.82x = 38,670.90 × 8,248.42
  4. Step 4: Simplify right side
    25,776.82x = 318,973,824.98
  5. Step 5: Solve for x
    x = 318,973,824.98/25,776.82
  6. Step 6: Final answer
    x = 12,374.44

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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.