Home / 14,635.84-20,201.52-8,669.56

Finding the Fourth Proportional to 14,635.84, 20,201.52 and 8,669.56

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Solution

The fourth proportional to 14,635.84, 20,201.52 and 8,669.56 is: 11,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.84 : 20,201.52 = 8,669.56 : x
  2. Step 2: Convert to fraction form
    14,635.84/20,201.52 = 8,669.56/x
  3. Step 3: Cross multiply
    14,635.84x = 20,201.52 × 8,669.56
  4. Step 4: Simplify right side
    14,635.84x = 175,138,289.73
  5. Step 5: Solve for x
    x = 175,138,289.73/14,635.84
  6. Step 6: Final answer
    x = 11,966.40

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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.