Home / 14,790.62-20,410.74-8,076.29

Finding the Fourth Proportional to 14,790.62, 20,410.74 and 8,076.29

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Solution

The fourth proportional to 14,790.62, 20,410.74 and 8,076.29 is: 11,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.62 : 20,410.74 = 8,076.29 : x
  2. Step 2: Convert to fraction form
    14,790.62/20,410.74 = 8,076.29/x
  3. Step 3: Cross multiply
    14,790.62x = 20,410.74 × 8,076.29
  4. Step 4: Simplify right side
    14,790.62x = 164,842,953.30
  5. Step 5: Solve for x
    x = 164,842,953.30/14,790.62
  6. Step 6: Final answer
    x = 11,145.10

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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.