Home / 14,196.20-21,293.58-5,430.44

Finding the Fourth Proportional to 14,196.20, 21,293.58 and 5,430.44

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Solution

The fourth proportional to 14,196.20, 21,293.58 and 5,430.44 is: 8,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,196.20 : 21,293.58 = 5,430.44 : x
  2. Step 2: Convert to fraction form
    14,196.20/21,293.58 = 5,430.44/x
  3. Step 3: Cross multiply
    14,196.20x = 21,293.58 × 5,430.44
  4. Step 4: Simplify right side
    14,196.20x = 115,633,508.58
  5. Step 5: Solve for x
    x = 115,633,508.58/14,196.20
  6. Step 6: Final answer
    x = 8,145.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.