Home / 23,479.03-32,403.72-13,408.90

Finding the Fourth Proportional to 23,479.03, 32,403.72 and 13,408.90

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Solution

The fourth proportional to 23,479.03, 32,403.72 and 13,408.90 is: 18,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,479.03 : 32,403.72 = 13,408.90 : x
  2. Step 2: Convert to fraction form
    23,479.03/32,403.72 = 13,408.90/x
  3. Step 3: Cross multiply
    23,479.03x = 32,403.72 × 13,408.90
  4. Step 4: Simplify right side
    23,479.03x = 434,498,241.11
  5. Step 5: Solve for x
    x = 434,498,241.11/23,479.03
  6. Step 6: Final answer
    x = 18,505.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.