Home / 14,810.45-20,438.55-8,095.95

Finding the Fourth Proportional to 14,810.45, 20,438.55 and 8,095.95

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Solution

The fourth proportional to 14,810.45, 20,438.55 and 8,095.95 is: 11,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.45 : 20,438.55 = 8,095.95 : x
  2. Step 2: Convert to fraction form
    14,810.45/20,438.55 = 8,095.95/x
  3. Step 3: Cross multiply
    14,810.45x = 20,438.55 × 8,095.95
  4. Step 4: Simplify right side
    14,810.45x = 165,469,478.87
  5. Step 5: Solve for x
    x = 165,469,478.87/14,810.45
  6. Step 6: Final answer
    x = 11,172.49

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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.