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Finding the Fourth Proportional to 13,595.88, 20,425.02 and 9,656.86

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Solution

The fourth proportional to 13,595.88, 20,425.02 and 9,656.86 is: 14,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.88 : 20,425.02 = 9,656.86 : x
  2. Step 2: Convert to fraction form
    13,595.88/20,425.02 = 9,656.86/x
  3. Step 3: Cross multiply
    13,595.88x = 20,425.02 × 9,656.86
  4. Step 4: Simplify right side
    13,595.88x = 197,241,558.64
  5. Step 5: Solve for x
    x = 197,241,558.64/13,595.88
  6. Step 6: Final answer
    x = 14,507.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.