Home / 14,992.04-20,688.60-8,277.54

Finding the Fourth Proportional to 14,992.04, 20,688.60 and 8,277.54

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Solution

The fourth proportional to 14,992.04, 20,688.60 and 8,277.54 is: 11,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,992.04 : 20,688.60 = 8,277.54 : x
  2. Step 2: Convert to fraction form
    14,992.04/20,688.60 = 8,277.54/x
  3. Step 3: Cross multiply
    14,992.04x = 20,688.60 × 8,277.54
  4. Step 4: Simplify right side
    14,992.04x = 171,250,714.04
  5. Step 5: Solve for x
    x = 171,250,714.04/14,992.04
  6. Step 6: Final answer
    x = 11,422.78

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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.