Home / 14,790.70-20,411.99-8,076.95

Finding the Fourth Proportional to 14,790.70, 20,411.99 and 8,076.95

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Solution

The fourth proportional to 14,790.70, 20,411.99 and 8,076.95 is: 11,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.70 : 20,411.99 = 8,076.95 : x
  2. Step 2: Convert to fraction form
    14,790.70/20,411.99 = 8,076.95/x
  3. Step 3: Cross multiply
    14,790.70x = 20,411.99 × 8,076.95
  4. Step 4: Simplify right side
    14,790.70x = 164,866,622.63
  5. Step 5: Solve for x
    x = 164,866,622.63/14,790.70
  6. Step 6: Final answer
    x = 11,146.64

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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.