Home / 12,335.21-18,503.04-4,015.19

Finding the Fourth Proportional to 12,335.21, 18,503.04 and 4,015.19

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Solution

The fourth proportional to 12,335.21, 18,503.04 and 4,015.19 is: 6,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.21 : 18,503.04 = 4,015.19 : x
  2. Step 2: Convert to fraction form
    12,335.21/18,503.04 = 4,015.19/x
  3. Step 3: Cross multiply
    12,335.21x = 18,503.04 × 4,015.19
  4. Step 4: Simplify right side
    12,335.21x = 74,293,221.18
  5. Step 5: Solve for x
    x = 74,293,221.18/12,335.21
  6. Step 6: Final answer
    x = 6,022.86

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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.