Home / 12,449.20-18,674.64-5,053.60

Finding the Fourth Proportional to 12,449.20, 18,674.64 and 5,053.60

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Solution

The fourth proportional to 12,449.20, 18,674.64 and 5,053.60 is: 7,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.20 : 18,674.64 = 5,053.60 : x
  2. Step 2: Convert to fraction form
    12,449.20/18,674.64 = 5,053.60/x
  3. Step 3: Cross multiply
    12,449.20x = 18,674.64 × 5,053.60
  4. Step 4: Simplify right side
    12,449.20x = 94,374,160.70
  5. Step 5: Solve for x
    x = 94,374,160.70/12,449.20
  6. Step 6: Final answer
    x = 7,580.74

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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.