Home / 13,614.32-20,435.79-12,064.25

Finding the Fourth Proportional to 13,614.32, 20,435.79 and 12,064.25

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Solution

The fourth proportional to 13,614.32, 20,435.79 and 12,064.25 is: 18,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.32 : 20,435.79 = 12,064.25 : x
  2. Step 2: Convert to fraction form
    13,614.32/20,435.79 = 12,064.25/x
  3. Step 3: Cross multiply
    13,614.32x = 20,435.79 × 12,064.25
  4. Step 4: Simplify right side
    13,614.32x = 246,542,479.51
  5. Step 5: Solve for x
    x = 246,542,479.51/13,614.32
  6. Step 6: Final answer
    x = 18,109.06

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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.