Home / 22,372.29-30,873.96-12,300.80

Finding the Fourth Proportional to 22,372.29, 30,873.96 and 12,300.80

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Solution

The fourth proportional to 22,372.29, 30,873.96 and 12,300.80 is: 16,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,372.29 : 30,873.96 = 12,300.80 : x
  2. Step 2: Convert to fraction form
    22,372.29/30,873.96 = 12,300.80/x
  3. Step 3: Cross multiply
    22,372.29x = 30,873.96 × 12,300.80
  4. Step 4: Simplify right side
    22,372.29x = 379,774,252.80
  5. Step 5: Solve for x
    x = 379,774,252.80/22,372.29
  6. Step 6: Final answer
    x = 16,975.21

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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.