Home / 13,367.22-18,440.64-8,653.02

Finding the Fourth Proportional to 13,367.22, 18,440.64 and 8,653.02

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Solution

The fourth proportional to 13,367.22, 18,440.64 and 8,653.02 is: 11,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.22 : 18,440.64 = 8,653.02 : x
  2. Step 2: Convert to fraction form
    13,367.22/18,440.64 = 8,653.02/x
  3. Step 3: Cross multiply
    13,367.22x = 18,440.64 × 8,653.02
  4. Step 4: Simplify right side
    13,367.22x = 159,567,226.73
  5. Step 5: Solve for x
    x = 159,567,226.73/13,367.22
  6. Step 6: Final answer
    x = 11,937.20

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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.