Home / 25,890.30-38,777.94-25,261.74

Finding the Fourth Proportional to 25,890.30, 38,777.94 and 25,261.74

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Solution

The fourth proportional to 25,890.30, 38,777.94 and 25,261.74 is: 37,836.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,890.30 : 38,777.94 = 25,261.74 : x
  2. Step 2: Convert to fraction form
    25,890.30/38,777.94 = 25,261.74/x
  3. Step 3: Cross multiply
    25,890.30x = 38,777.94 × 25,261.74
  4. Step 4: Simplify right side
    25,890.30x = 979,598,238.02
  5. Step 5: Solve for x
    x = 979,598,238.02/25,890.30
  6. Step 6: Final answer
    x = 37,836.50

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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.