Home / 14,504.96-20,011.92-8,534.72

Finding the Fourth Proportional to 14,504.96, 20,011.92 and 8,534.72

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Solution

The fourth proportional to 14,504.96, 20,011.92 and 8,534.72 is: 11,775.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504.96 : 20,011.92 = 8,534.72 : x
  2. Step 2: Convert to fraction form
    14,504.96/20,011.92 = 8,534.72/x
  3. Step 3: Cross multiply
    14,504.96x = 20,011.92 × 8,534.72
  4. Step 4: Simplify right side
    14,504.96x = 170,796,133.86
  5. Step 5: Solve for x
    x = 170,796,133.86/14,504.96
  6. Step 6: Final answer
    x = 11,775.02

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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.