Home / 13,853.35-20,671.88-12,362.32

Finding the Fourth Proportional to 13,853.35, 20,671.88 and 12,362.32

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Solution

The fourth proportional to 13,853.35, 20,671.88 and 12,362.32 is: 18,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.35 : 20,671.88 = 12,362.32 : x
  2. Step 2: Convert to fraction form
    13,853.35/20,671.88 = 12,362.32/x
  3. Step 3: Cross multiply
    13,853.35x = 20,671.88 × 12,362.32
  4. Step 4: Simplify right side
    13,853.35x = 255,552,395.56
  5. Step 5: Solve for x
    x = 255,552,395.56/13,853.35
  6. Step 6: Final answer
    x = 18,446.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.