Home / 14,700.90-20,286.66-8,732.41

Finding the Fourth Proportional to 14,700.90, 20,286.66 and 8,732.41

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Solution

The fourth proportional to 14,700.90, 20,286.66 and 8,732.41 is: 12,050.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,700.90 : 20,286.66 = 8,732.41 : x
  2. Step 2: Convert to fraction form
    14,700.90/20,286.66 = 8,732.41/x
  3. Step 3: Cross multiply
    14,700.90x = 20,286.66 × 8,732.41
  4. Step 4: Simplify right side
    14,700.90x = 177,151,432.65
  5. Step 5: Solve for x
    x = 177,151,432.65/14,700.90
  6. Step 6: Final answer
    x = 12,050.38

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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.