Home / 25,402.29-38,104.35-8,762.86

Finding the Fourth Proportional to 25,402.29, 38,104.35 and 8,762.86

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Solution

The fourth proportional to 25,402.29, 38,104.35 and 8,762.86 is: 13,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,402.29 : 38,104.35 = 8,762.86 : x
  2. Step 2: Convert to fraction form
    25,402.29/38,104.35 = 8,762.86/x
  3. Step 3: Cross multiply
    25,402.29x = 38,104.35 × 8,762.86
  4. Step 4: Simplify right side
    25,402.29x = 333,903,099.21
  5. Step 5: Solve for x
    x = 333,903,099.21/25,402.29
  6. Step 6: Final answer
    x = 13,144.61

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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.