Home / 14,977.25-20,669.66-8,604.88

Finding the Fourth Proportional to 14,977.25, 20,669.66 and 8,604.88

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Solution

The fourth proportional to 14,977.25, 20,669.66 and 8,604.88 is: 11,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.25 : 20,669.66 = 8,604.88 : x
  2. Step 2: Convert to fraction form
    14,977.25/20,669.66 = 8,604.88/x
  3. Step 3: Cross multiply
    14,977.25x = 20,669.66 × 8,604.88
  4. Step 4: Simplify right side
    14,977.25x = 177,859,943.94
  5. Step 5: Solve for x
    x = 177,859,943.94/14,977.25
  6. Step 6: Final answer
    x = 11,875.34

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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.