Home / 14,591.88-20,136.47-8,926.72

Finding the Fourth Proportional to 14,591.88, 20,136.47 and 8,926.72

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Solution

The fourth proportional to 14,591.88, 20,136.47 and 8,926.72 is: 12,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.88 : 20,136.47 = 8,926.72 : x
  2. Step 2: Convert to fraction form
    14,591.88/20,136.47 = 8,926.72/x
  3. Step 3: Cross multiply
    14,591.88x = 20,136.47 × 8,926.72
  4. Step 4: Simplify right side
    14,591.88x = 179,752,534.50
  5. Step 5: Solve for x
    x = 179,752,534.50/14,591.88
  6. Step 6: Final answer
    x = 12,318.67

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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.