Home / 14,163.12-21,248.28-8,324.64

Finding the Fourth Proportional to 14,163.12, 21,248.28 and 8,324.64

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Solution

The fourth proportional to 14,163.12, 21,248.28 and 8,324.64 is: 12,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.12 : 21,248.28 = 8,324.64 : x
  2. Step 2: Convert to fraction form
    14,163.12/21,248.28 = 8,324.64/x
  3. Step 3: Cross multiply
    14,163.12x = 21,248.28 × 8,324.64
  4. Step 4: Simplify right side
    14,163.12x = 176,884,281.62
  5. Step 5: Solve for x
    x = 176,884,281.62/14,163.12
  6. Step 6: Final answer
    x = 12,489.08

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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.