Home / 14,505.46-20,012.61-8,535.22

Finding the Fourth Proportional to 14,505.46, 20,012.61 and 8,535.22

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Solution

The fourth proportional to 14,505.46, 20,012.61 and 8,535.22 is: 11,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.46 : 20,012.61 = 8,535.22 : x
  2. Step 2: Convert to fraction form
    14,505.46/20,012.61 = 8,535.22/x
  3. Step 3: Cross multiply
    14,505.46x = 20,012.61 × 8,535.22
  4. Step 4: Simplify right side
    14,505.46x = 170,812,029.12
  5. Step 5: Solve for x
    x = 170,812,029.12/14,505.46
  6. Step 6: Final answer
    x = 11,775.71

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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.