Home / 34,823.75-52,256.38-12,638.86

Finding the Fourth Proportional to 34,823.75, 52,256.38 and 12,638.86

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Solution

The fourth proportional to 34,823.75, 52,256.38 and 12,638.86 is: 18,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,823.75 : 52,256.38 = 12,638.86 : x
  2. Step 2: Convert to fraction form
    34,823.75/52,256.38 = 12,638.86/x
  3. Step 3: Cross multiply
    34,823.75x = 52,256.38 × 12,638.86
  4. Step 4: Simplify right side
    34,823.75x = 660,461,070.93
  5. Step 5: Solve for x
    x = 660,461,070.93/34,823.75
  6. Step 6: Final answer
    x = 18,965.82

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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.