Home / 34,821.89-52,253.57-12,636.99

Finding the Fourth Proportional to 34,821.89, 52,253.57 and 12,636.99

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Solution

The fourth proportional to 34,821.89, 52,253.57 and 12,636.99 is: 18,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,821.89 : 52,253.57 = 12,636.99 : x
  2. Step 2: Convert to fraction form
    34,821.89/52,253.57 = 12,636.99/x
  3. Step 3: Cross multiply
    34,821.89x = 52,253.57 × 12,636.99
  4. Step 4: Simplify right side
    34,821.89x = 660,327,778.37
  5. Step 5: Solve for x
    x = 660,327,778.37/34,821.89
  6. Step 6: Final answer
    x = 18,963.01

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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.