Home / 22,372.65-30,874.41-12,300.75

Finding the Fourth Proportional to 22,372.65, 30,874.41 and 12,300.75

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Solution

The fourth proportional to 22,372.65, 30,874.41 and 12,300.75 is: 16,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,372.65 : 30,874.41 = 12,300.75 : x
  2. Step 2: Convert to fraction form
    22,372.65/30,874.41 = 12,300.75/x
  3. Step 3: Cross multiply
    22,372.65x = 30,874.41 × 12,300.75
  4. Step 4: Simplify right side
    22,372.65x = 379,778,398.81
  5. Step 5: Solve for x
    x = 379,778,398.81/22,372.65
  6. Step 6: Final answer
    x = 16,975.12

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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.