Home / 14,226.08-21,339.20-5,458.88

Finding the Fourth Proportional to 14,226.08, 21,339.20 and 5,458.88

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Solution

The fourth proportional to 14,226.08, 21,339.20 and 5,458.88 is: 8,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.08 : 21,339.20 = 5,458.88 : x
  2. Step 2: Convert to fraction form
    14,226.08/21,339.20 = 5,458.88/x
  3. Step 3: Cross multiply
    14,226.08x = 21,339.20 × 5,458.88
  4. Step 4: Simplify right side
    14,226.08x = 116,488,132.10
  5. Step 5: Solve for x
    x = 116,488,132.10/14,226.08
  6. Step 6: Final answer
    x = 8,188.35

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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.