Home / 14,810.70-20,438.72-8,096.38

Finding the Fourth Proportional to 14,810.70, 20,438.72 and 8,096.38

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Solution

The fourth proportional to 14,810.70, 20,438.72 and 8,096.38 is: 11,172.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.70 : 20,438.72 = 8,096.38 : x
  2. Step 2: Convert to fraction form
    14,810.70/20,438.72 = 8,096.38/x
  3. Step 3: Cross multiply
    14,810.70x = 20,438.72 × 8,096.38
  4. Step 4: Simplify right side
    14,810.70x = 165,479,643.83
  5. Step 5: Solve for x
    x = 165,479,643.83/14,810.70
  6. Step 6: Final answer
    x = 11,172.98

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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.