Home / 25,385.18-38,077.66-6,409.86

Finding the Fourth Proportional to 25,385.18, 38,077.66 and 6,409.86

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Solution

The fourth proportional to 25,385.18, 38,077.66 and 6,409.86 is: 9,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.18 : 38,077.66 = 6,409.86 : x
  2. Step 2: Convert to fraction form
    25,385.18/38,077.66 = 6,409.86/x
  3. Step 3: Cross multiply
    25,385.18x = 38,077.66 × 6,409.86
  4. Step 4: Simplify right side
    25,385.18x = 244,072,415.00
  5. Step 5: Solve for x
    x = 244,072,415.00/25,385.18
  6. Step 6: Final answer
    x = 9,614.76

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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.