Home / 14,816.56-20,446.86-8,442.97

Finding the Fourth Proportional to 14,816.56, 20,446.86 and 8,442.97

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Solution

The fourth proportional to 14,816.56, 20,446.86 and 8,442.97 is: 11,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,816.56 : 20,446.86 = 8,442.97 : x
  2. Step 2: Convert to fraction form
    14,816.56/20,446.86 = 8,442.97/x
  3. Step 3: Cross multiply
    14,816.56x = 20,446.86 × 8,442.97
  4. Step 4: Simplify right side
    14,816.56x = 172,632,225.57
  5. Step 5: Solve for x
    x = 172,632,225.57/14,816.56
  6. Step 6: Final answer
    x = 11,651.30

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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.