Home / 14,522.76-20,042.21-8,151.36

Finding the Fourth Proportional to 14,522.76, 20,042.21 and 8,151.36

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Solution

The fourth proportional to 14,522.76, 20,042.21 and 8,151.36 is: 11,249.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,522.76 : 20,042.21 = 8,151.36 : x
  2. Step 2: Convert to fraction form
    14,522.76/20,042.21 = 8,151.36/x
  3. Step 3: Cross multiply
    14,522.76x = 20,042.21 × 8,151.36
  4. Step 4: Simplify right side
    14,522.76x = 163,371,228.15
  5. Step 5: Solve for x
    x = 163,371,228.15/14,522.76
  6. Step 6: Final answer
    x = 11,249.32

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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.