Home / 25,777.25-38,663.43-8,242.37

Finding the Fourth Proportional to 25,777.25, 38,663.43 and 8,242.37

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Solution

The fourth proportional to 25,777.25, 38,663.43 and 8,242.37 is: 12,362.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.25 : 38,663.43 = 8,242.37 : x
  2. Step 2: Convert to fraction form
    25,777.25/38,663.43 = 8,242.37/x
  3. Step 3: Cross multiply
    25,777.25x = 38,663.43 × 8,242.37
  4. Step 4: Simplify right side
    25,777.25x = 318,678,102.21
  5. Step 5: Solve for x
    x = 318,678,102.21/25,777.25
  6. Step 6: Final answer
    x = 12,362.77

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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.