Home / 14,245.44-21,359.52-5,488.32

Finding the Fourth Proportional to 14,245.44, 21,359.52 and 5,488.32

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Solution

The fourth proportional to 14,245.44, 21,359.52 and 5,488.32 is: 8,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.44 : 21,359.52 = 5,488.32 : x
  2. Step 2: Convert to fraction form
    14,245.44/21,359.52 = 5,488.32/x
  3. Step 3: Cross multiply
    14,245.44x = 21,359.52 × 5,488.32
  4. Step 4: Simplify right side
    14,245.44x = 117,227,880.81
  5. Step 5: Solve for x
    x = 117,227,880.81/14,245.44
  6. Step 6: Final answer
    x = 8,229.15

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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.