Home / 14,522.28-20,042.19-8,555.82

Finding the Fourth Proportional to 14,522.28, 20,042.19 and 8,555.82

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Solution

The fourth proportional to 14,522.28, 20,042.19 and 8,555.82 is: 11,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,522.28 : 20,042.19 = 8,555.82 : x
  2. Step 2: Convert to fraction form
    14,522.28/20,042.19 = 8,555.82/x
  3. Step 3: Cross multiply
    14,522.28x = 20,042.19 × 8,555.82
  4. Step 4: Simplify right side
    14,522.28x = 171,477,370.05
  5. Step 5: Solve for x
    x = 171,477,370.05/14,522.28
  6. Step 6: Final answer
    x = 11,807.88

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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.