Home / 14,725.11-20,317.90-8,758.25

Finding the Fourth Proportional to 14,725.11, 20,317.90 and 8,758.25

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Solution

The fourth proportional to 14,725.11, 20,317.90 and 8,758.25 is: 12,084.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.11 : 20,317.90 = 8,758.25 : x
  2. Step 2: Convert to fraction form
    14,725.11/20,317.90 = 8,758.25/x
  3. Step 3: Cross multiply
    14,725.11x = 20,317.90 × 8,758.25
  4. Step 4: Simplify right side
    14,725.11x = 177,949,247.68
  5. Step 5: Solve for x
    x = 177,949,247.68/14,725.11
  6. Step 6: Final answer
    x = 12,084.75

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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.