Home / 14,650.60-20,219.86-8,984.34

Finding the Fourth Proportional to 14,650.60, 20,219.86 and 8,984.34

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Solution

The fourth proportional to 14,650.60, 20,219.86 and 8,984.34 is: 12,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.60 : 20,219.86 = 8,984.34 : x
  2. Step 2: Convert to fraction form
    14,650.60/20,219.86 = 8,984.34/x
  3. Step 3: Cross multiply
    14,650.60x = 20,219.86 × 8,984.34
  4. Step 4: Simplify right side
    14,650.60x = 181,662,096.99
  5. Step 5: Solve for x
    x = 181,662,096.99/14,650.60
  6. Step 6: Final answer
    x = 12,399.64

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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.