Home / 14,736.87-20,331-8,766.36

Finding the Fourth Proportional to 14,736.87, 20,331 and 8,766.36

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Solution

The fourth proportional to 14,736.87, 20,331 and 8,766.36 is: 12,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,736.87 : 20,331 = 8,766.36 : x
  2. Step 2: Convert to fraction form
    14,736.87/20,331 = 8,766.36/x
  3. Step 3: Cross multiply
    14,736.87x = 20,331 × 8,766.36
  4. Step 4: Simplify right side
    14,736.87x = 178,228,865.16
  5. Step 5: Solve for x
    x = 178,228,865.16/14,736.87
  6. Step 6: Final answer
    x = 12,094.08

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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.