Home / 22,790.64-34,179.36-8,749.68

Finding the Fourth Proportional to 22,790.64, 34,179.36 and 8,749.68

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Solution

The fourth proportional to 22,790.64, 34,179.36 and 8,749.68 is: 13,121.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,790.64 : 34,179.36 = 8,749.68 : x
  2. Step 2: Convert to fraction form
    22,790.64/34,179.36 = 8,749.68/x
  3. Step 3: Cross multiply
    22,790.64x = 34,179.36 × 8,749.68
  4. Step 4: Simplify right side
    22,790.64x = 299,058,462.60
  5. Step 5: Solve for x
    x = 299,058,462.60/22,790.64
  6. Step 6: Final answer
    x = 13,121.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.