Home / 13,412.32-20,107.04-5,910.23

Finding the Fourth Proportional to 13,412.32, 20,107.04 and 5,910.23

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Solution

The fourth proportional to 13,412.32, 20,107.04 and 5,910.23 is: 8,860.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412.32 : 20,107.04 = 5,910.23 : x
  2. Step 2: Convert to fraction form
    13,412.32/20,107.04 = 5,910.23/x
  3. Step 3: Cross multiply
    13,412.32x = 20,107.04 × 5,910.23
  4. Step 4: Simplify right side
    13,412.32x = 118,837,251.74
  5. Step 5: Solve for x
    x = 118,837,251.74/13,412.32
  6. Step 6: Final answer
    x = 8,860.31

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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.