Home / 13,231.08-18,253.98-9,454.68

Finding the Fourth Proportional to 13,231.08, 18,253.98 and 9,454.68

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Solution

The fourth proportional to 13,231.08, 18,253.98 and 9,454.68 is: 13,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.08 : 18,253.98 = 9,454.68 : x
  2. Step 2: Convert to fraction form
    13,231.08/18,253.98 = 9,454.68/x
  3. Step 3: Cross multiply
    13,231.08x = 18,253.98 × 9,454.68
  4. Step 4: Simplify right side
    13,231.08x = 172,585,539.63
  5. Step 5: Solve for x
    x = 172,585,539.63/13,231.08
  6. Step 6: Final answer
    x = 13,043.95

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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.