Home / 14,863.33-20,513.49-9,199.90

Finding the Fourth Proportional to 14,863.33, 20,513.49 and 9,199.90

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Solution

The fourth proportional to 14,863.33, 20,513.49 and 9,199.90 is: 12,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,863.33 : 20,513.49 = 9,199.90 : x
  2. Step 2: Convert to fraction form
    14,863.33/20,513.49 = 9,199.90/x
  3. Step 3: Cross multiply
    14,863.33x = 20,513.49 × 9,199.90
  4. Step 4: Simplify right side
    14,863.33x = 188,722,056.65
  5. Step 5: Solve for x
    x = 188,722,056.65/14,863.33
  6. Step 6: Final answer
    x = 12,697.16

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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.