Home / 25,385.06-38,077.61-6,917.06

Finding the Fourth Proportional to 25,385.06, 38,077.61 and 6,917.06

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Solution

The fourth proportional to 25,385.06, 38,077.61 and 6,917.06 is: 10,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.06 : 38,077.61 = 6,917.06 : x
  2. Step 2: Convert to fraction form
    25,385.06/38,077.61 = 6,917.06/x
  3. Step 3: Cross multiply
    25,385.06x = 38,077.61 × 6,917.06
  4. Step 4: Simplify right side
    25,385.06x = 263,385,173.64
  5. Step 5: Solve for x
    x = 263,385,173.64/25,385.06
  6. Step 6: Final answer
    x = 10,375.60

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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.