Home / 22,372.68-30,874.44-12,300.78

Finding the Fourth Proportional to 22,372.68, 30,874.44 and 12,300.78

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Solution

The fourth proportional to 22,372.68, 30,874.44 and 12,300.78 is: 16,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,372.68 : 30,874.44 = 12,300.78 : x
  2. Step 2: Convert to fraction form
    22,372.68/30,874.44 = 12,300.78/x
  3. Step 3: Cross multiply
    22,372.68x = 30,874.44 × 12,300.78
  4. Step 4: Simplify right side
    22,372.68x = 379,779,694.06
  5. Step 5: Solve for x
    x = 379,779,694.06/22,372.68
  6. Step 6: Final answer
    x = 16,975.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.