Home / 12,347.44-18,568.20-9,854.32

Finding the Fourth Proportional to 12,347.44, 18,568.20 and 9,854.32

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Solution

The fourth proportional to 12,347.44, 18,568.20 and 9,854.32 is: 14,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.44 : 18,568.20 = 9,854.32 : x
  2. Step 2: Convert to fraction form
    12,347.44/18,568.20 = 9,854.32/x
  3. Step 3: Cross multiply
    12,347.44x = 18,568.20 × 9,854.32
  4. Step 4: Simplify right side
    12,347.44x = 182,976,984.62
  5. Step 5: Solve for x
    x = 182,976,984.62/12,347.44
  6. Step 6: Final answer
    x = 14,819.02

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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.