Home / 25,548.33-38,328.26-7,780.58

Finding the Fourth Proportional to 25,548.33, 38,328.26 and 7,780.58

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Solution

The fourth proportional to 25,548.33, 38,328.26 and 7,780.58 is: 11,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,548.33 : 38,328.26 = 7,780.58 : x
  2. Step 2: Convert to fraction form
    25,548.33/38,328.26 = 7,780.58/x
  3. Step 3: Cross multiply
    25,548.33x = 38,328.26 × 7,780.58
  4. Step 4: Simplify right side
    25,548.33x = 298,216,093.19
  5. Step 5: Solve for x
    x = 298,216,093.19/25,548.33
  6. Step 6: Final answer
    x = 11,672.63

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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.