Home / 43,514.15-65,271.83-12,349.40

Finding the Fourth Proportional to 43,514.15, 65,271.83 and 12,349.40

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Solution

The fourth proportional to 43,514.15, 65,271.83 and 12,349.40 is: 18,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,514.15 : 65,271.83 = 12,349.40 : x
  2. Step 2: Convert to fraction form
    43,514.15/65,271.83 = 12,349.40/x
  3. Step 3: Cross multiply
    43,514.15x = 65,271.83 × 12,349.40
  4. Step 4: Simplify right side
    43,514.15x = 806,067,549.30
  5. Step 5: Solve for x
    x = 806,067,549.30/43,514.15
  6. Step 6: Final answer
    x = 18,524.26

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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.