Home / 14,529.52-20,052.36-8,157.16

Finding the Fourth Proportional to 14,529.52, 20,052.36 and 8,157.16

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Solution

The fourth proportional to 14,529.52, 20,052.36 and 8,157.16 is: 11,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.52 : 20,052.36 = 8,157.16 : x
  2. Step 2: Convert to fraction form
    14,529.52/20,052.36 = 8,157.16/x
  3. Step 3: Cross multiply
    14,529.52x = 20,052.36 × 8,157.16
  4. Step 4: Simplify right side
    14,529.52x = 163,570,308.90
  5. Step 5: Solve for x
    x = 163,570,308.90/14,529.52
  6. Step 6: Final answer
    x = 11,257.79

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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.