Home / 25,644.90-38,467.35-7,176.90

Finding the Fourth Proportional to 25,644.90, 38,467.35 and 7,176.90

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Solution

The fourth proportional to 25,644.90, 38,467.35 and 7,176.90 is: 10,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,644.90 : 38,467.35 = 7,176.90 : x
  2. Step 2: Convert to fraction form
    25,644.90/38,467.35 = 7,176.90/x
  3. Step 3: Cross multiply
    25,644.90x = 38,467.35 × 7,176.90
  4. Step 4: Simplify right side
    25,644.90x = 276,076,324.22
  5. Step 5: Solve for x
    x = 276,076,324.22/25,644.90
  6. Step 6: Final answer
    x = 10,765.35

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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.