Home / 14,558.40-20,089.72-8,591.94

Finding the Fourth Proportional to 14,558.40, 20,089.72 and 8,591.94

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Solution

The fourth proportional to 14,558.40, 20,089.72 and 8,591.94 is: 11,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.40 : 20,089.72 = 8,591.94 : x
  2. Step 2: Convert to fraction form
    14,558.40/20,089.72 = 8,591.94/x
  3. Step 3: Cross multiply
    14,558.40x = 20,089.72 × 8,591.94
  4. Step 4: Simplify right side
    14,558.40x = 172,609,679.60
  5. Step 5: Solve for x
    x = 172,609,679.60/14,558.40
  6. Step 6: Final answer
    x = 11,856.36

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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.