Home / 14,559.92-20,091.84-8,272.16

Finding the Fourth Proportional to 14,559.92, 20,091.84 and 8,272.16

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Solution

The fourth proportional to 14,559.92, 20,091.84 and 8,272.16 is: 11,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,559.92 : 20,091.84 = 8,272.16 : x
  2. Step 2: Convert to fraction form
    14,559.92/20,091.84 = 8,272.16/x
  3. Step 3: Cross multiply
    14,559.92x = 20,091.84 × 8,272.16
  4. Step 4: Simplify right side
    14,559.92x = 166,202,915.17
  5. Step 5: Solve for x
    x = 166,202,915.17/14,559.92
  6. Step 6: Final answer
    x = 11,415.10

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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.